4-16-2018 Northwest Avalanche Center Hurricane Ridge, Olympic National Park, Washington MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total Total PST F % Min Avg Max Dir Prec. Prec. Snow 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' 5250' ------------------------------------------------------------------ 4 15 500 23 93 -0 0 0 349 0 0 120 4 15 600 23 93 -0 0 0 14 0 0 119 4 15 700 26 87 -0 0 1 67 0 0 119 4 15 800 28 85 -0 0 6 53 .01 .01 119 4 15 900 28 90 -0 4 10 69 0 .01 118 4 15 1000 31 84 -0 2 8 89 0 .01 119 4 15 1100 32 87 -0 1 6 75 0 .01 117 4 15 1200 31 85 -0 0 2 28 0 .01 118 4 15 1300 32 87 -0 0 1 2 .01 .02 118 4 15 1400 33 85 -0 0 4 9 0 .02 115 4 15 1500 30 92 -0 2 5 355 0 .02 118 4 15 1600 28 95 -0 2 6 0 0 .02 117 4 15 1700 26 95 2 5 11 353 .02 .04 116 4 15 1800 26 96 2 6 11 360 .02 .06 116 4 15 1900 25 96 2 5 9 352 .02 .08 116 4 15 2000 26 96 0 5 10 11 .02 .1 116 4 15 2100 27 97 -0 4 7 4 .02 .12 117 4 15 2200 27 97 -0 3 6 6 .05 .17 117 4 15 2300 27 97 -0 0 3 352 .03 .2 118 4 16 0 28 97 -0 0 0 6 .02 .22 120 4 16 100 28 97 -0 0 0 25 .02 .24 119 4 16 200 28 97 -0 0 0 14 .05 .29 234 4 16 300 28 96 -0 0 4 180 .01 .3 116 4 16 400 28 96 -0 0 0 168 0 .3 116 Total Prec. 5250' ------------------------------------------------------------ .3 Page 1 4-16-2018 Northwest Avalanche Center Mt Baker Ski Area, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F F % % Min Avg Max Dir Prec. Prec. Snow Snow 5020' 4210' 5020' 4210' 5020' 5020' 5020' 5020' 4210' 4210' 4210' 4210' ------------------------------------------------------------------------------------ 4 15 500 28 31 89 99 0 0 3 207 0.01 0.01 10 209 4 15 600 28 31 88 98 0 1 4 196 0.01 0.02 10 209 4 15 700 30 33 84 94 0 0 1 172 0.00 0.02 10 208 4 15 800 33 34 85 93 0 1 4 198 0.00 0.02 9 206 4 15 900 36 37 77 83 0 4 10 194 0.00 0.02 9 204 4 15 1000 35 36 76 83 0 5 11 195 0.00 0.02 9 204 4 15 1100 38 39 71 76 0 5 11 220 0.00 0.02 8 203 4 15 1200 38 39 69 74 0 3 6 240 0.00 0.02 8 202 4 15 1300 37 43 66 66 0 2 7 188 0.00 0.02 7 201 4 15 1400 41 41 62 69 0 3 7 262 0.00 0.02 -0 201 4 15 1500 35 45 68 60 0 2 5 120 0.00 0.02 -0 200 4 15 1600 34 41 69 76 2 6 8 53 0.00 0.02 0 200 4 15 1700 32 37 84 87 5 8 11 56 0.00 0.02 0 201 4 15 1800 31 36 85 92 5 7 9 41 0.01 0.03 0 201 4 15 1900 32 35 82 98 5 10 17 29 0.00 0.03 0 201 4 15 2000 33 37 80 88 4 10 18 50 0.00 0.03 0 200 4 15 2100 33 37 77 86 2 6 8 98 0.00 0.03 0 200 4 15 2200 32 34 84 96 0 2 6 70 0.04 0.07 0 200 4 15 2300 32 35 85 96 0 0 3 78 0.03 0.10 0 200 4 16 0 32 33 85 99 0 0 3 107 0.11 0.21 0 199 4 16 100 32 33 85 100 0 0 0 166 0.09 0.30 0 199 4 16 200 30 33 85 99 0 2 10 203 0.07 0.37 0 199 4 16 300 30 32 84 100 4 8 16 169 0.06 0.43 1 199 4 16 400 29 32 86 99 6 10 16 189 0.03 0.46 0 200 Total Prec. 4210' ------------------------------------------------------------------------ 0.46 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Washington Pass, Washington Wind gages unheated and may rime 5450' RH out MM/DD Hour Temp Temp RH RH Wind Wind Wind Equip Hour Total Total PST F F % % Avg Max Dir Temp Prec. Prec. Snow 6680' 5450' 6680' 5450' 6680' 6680' 6680' 5450' 5450' 5450' 5450' ------------------------------------------------------------------------------ 4 15 500 25 27 99 11 16 229 57 0 0 105 4 15 600 24 26 100 10 15 227 54 0 0 105 4 15 700 25 27 98 8 10 234 53 0 0 105 4 15 800 26 31 98 8 12 225 62 0 0 105 4 15 900 28 31 94 7 9 218 62 .01 .01 104 4 15 1000 33 33 94 4 7 190 72 0 .01 104 4 15 1100 36 36 78 2 5 43 74 0 .01 104 4 15 1200 37 39 78 4 8 38 78 0 .01 102 4 15 1300 32 37 85 4 9 71 73 0 .01 102 4 15 1400 31 33 93 4 10 66 65 0 .01 102 4 15 1500 28 33 96 6 10 20 64 .03 .04 102 4 15 1600 28 33 97 12 17 12 63 .02 .06 102 4 15 1700 30 32 97 12 19 14 61 .04 .1 102 4 15 1800 29 31 96 9 14 16 60 .04 .14 103 4 15 1900 28 30 99 11 21 14 58 .03 .17 102 4 15 2000 28 30 99 13 19 15 57 .02 .19 104 4 15 2100 27 30 99 13 18 12 56 .02 .21 104 4 15 2200 28 29 99 12 16 15 55 .04 .25 104 4 15 2300 28 29 100 12 18 11 55 .02 .27 104 4 16 0 28 29 99 9 14 10 55 .02 .29 105 4 16 100 28 29 99 4 15 346 56 .02 .31 105 4 16 200 28 29 99 0 2 232 60 .08 .39 106 4 16 300 27 30 100 1 4 229 61 .07 .46 107 4 16 400 27 29 99 2 4 238 59 .05 .51 108 Total Prec. 5450' ------------------------------------------------------------------------ .51 Page 1 4-16-2018 Northwest Avalanche Center Freestone Inn, Mazama, Washington Wind gages unheated and may rime 24 hr Snowboard done for season MM/DD Hour Temp RH Solar Wind Wind Wind Hour Total 24 Hr Total PST F % W/m2 Avg Max Dir Prec. Prec. Snow Snow 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' 2170' ------------------------------------------------------------------------ 4 15 500 39 90 0 0 2 310 0 0 -0 4 15 600 39 89 21 0 2 303 0 0 -0 4 15 700 41 83 68 1 3 323 0 0 0 4 15 800 44 78 129 0 3 303 0 0 -0 4 15 900 49 65 103 1 3 109 0 0 0 4 15 1000 52 43 135 0 3 178 0 0 0 4 15 1100 54 39 266 2 4 172 0 0 -0 4 15 1200 53 44 179 1 5 150 0 0 0 4 15 1300 54 49 182 2 8 127 0 0 -0 4 15 1400 51 56 99 2 6 82 0 0 0 4 15 1500 52 52 237 1 6 92 0 0 0 4 15 1600 48 74 45 2 6 99 .01 .01 0 4 15 1700 46 88 32 0 2 107 .01 .02 0 4 15 1800 45 89 10 0 1 296 .03 .05 0 4 15 1900 44 91 0 0 0 340 .05 .1 -0 4 15 2000 43 91 -0 0 2 36 .04 .14 0 4 15 2100 42 91 -0 0 1 355 .06 .2 -0 4 15 2200 41 92 -0 0 2 330 .06 .26 0 4 15 2300 40 92 0 0 2 323 .03 .29 -0 4 16 0 39 92 -0 0 2 290 .02 .31 -0 4 16 100 40 92 0 0 2 290 .03 .34 -0 4 16 200 39 92 -0 0 2 332 .08 .42 -0 4 16 300 39 92 0 0 0 238 .13 .55 0 4 16 400 37 92 0 0 2 303 .05 .6 0 Total Prec. 2170' ------------------------------------------------------------ .6 Page 1 4-16-2018 Northwest Avalanche Center Tye Mill (5180'), Skyline (5250') Stevens Pass Ski Area, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp Wind Wind Wind Wind PST F F Min Avg Max Dir 5180' 5250' 5180' 5180' 5180' 5180' ------------------------------------------------ 4 15 500 30 31 0 0 0 0 4 15 600 30 31 0 0 0 0 4 15 700 30 32 0 0 0 0 4 15 800 33 34 0 0 3 295 4 15 900 34 39 0 2 5 288 4 15 1000 38 39 0 0 3 349 4 15 1100 38 37 0 2 9 84 4 15 1200 42 39 0 1 4 84 4 15 1300 37 36 0 1 4 72 4 15 1400 35 36 0 2 8 63 4 15 1500 41 34 0 2 6 94 4 15 1600 35 34 0 3 14 79 4 15 1700 36 34 0 3 8 81 4 15 1800 34 33 0 2 9 86 4 15 1900 33 33 0 3 7 82 4 15 2000 32 32 0 3 10 71 4 15 2100 32 33 0 3 5 80 4 15 2200 32 32 0 0 0 0 4 15 2300 31 33 0 0 0 0 4 16 0 32 33 0 0 0 0 4 16 100 31 32 0 0 0 0 4 16 200 30 31 0 0 5 239 4 16 300 28 29 0 10 28 288 4 16 400 28 28 0 6 21 286 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Schmidt Haus Stevens Pass, Washington MM/DD Hour Temp RH Hour Total 24 Hr Total Press PST F % Prec. Prec. Snow Snow mb 3950' 3950' 3950' 3950' 3950' 3950' 3950' ------------------------------------------------------ 4 15 500 33 94 0 0 1 106 1009 4 15 600 33 94 0 0 0 106 1009 4 15 700 33 95 .02 .02 0 104 1009 4 15 800 33 93 0 .02 0 105 1008 4 15 900 33 94 0 .02 0 104 1008 4 15 1000 35 93 0 .02 0 104 1007 4 15 1100 39 84 0 .02 0 105 1006 4 15 1200 39 89 0 .02 0 105 1006 4 15 1300 37 92 0 .02 0 105 1005 4 15 1400 37 92 .03 .05 0 105 1004 4 15 1500 37 92 .01 .06 0 105 1003 4 15 1600 36 93 0 .06 0 105 1002 4 15 1700 37 93 .01 .07 0 104 1001 4 15 1800 36 93 0 .07 0 104 1001 4 15 1900 36 94 .01 .08 0 104 1000 4 15 2000 35 94 .01 .09 0 104 1000 4 15 2100 34 94 .02 .11 0 104 999 4 15 2200 34 94 .01 .12 0 104 999 4 15 2300 35 94 .01 .13 0 104 998 4 16 0 34 94 .03 .16 0 103 998 4 16 100 33 94 .01 .17 0 104 998 4 16 200 33 94 .02 .19 0 103 998 4 16 300 33 95 .05 .24 0 103 998 4 16 400 33 94 .04 .28 2 104 999 Total Prec. 3950' ------------------------------------ .28 Page 1 4-16-2018 Northwest Avalanche Center Stevens Pass Ski Area Brooks Chair Stevens Pass, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total 24 Hr Total PST F % Avg Max Dir Prec. Prec. Snow Snow 4850' 4850' 4850' 4850' 4850' 4800' 4800' 4800' 4800' ------------------------------------------------------------------ 4 15 500 31 100 0 0 206 0 0 0 150 4 15 600 31 100 0 0 206 0 0 0 149 4 15 700 32 100 1 5 202 .02 .02 0 149 4 15 800 34 87 0 0 203 0 .02 -0 149 4 15 900 43 68 0 0 203 0 .02 -0 148 4 15 1000 35 80 0 4 98 0 .02 -0 148 4 15 1100 35 83 3 11 50 0 .02 -0 149 4 15 1200 37 83 5 12 39 0 .02 0 148 4 15 1300 35 87 1 7 51 0 .02 0 148 4 15 1400 33 100 2 9 61 .03 .05 0 147 4 15 1500 34 100 6 11 30 .02 .07 0 147 4 15 1600 33 100 5 10 43 0 .07 0 147 4 15 1700 33 100 5 10 46 0 .07 0 147 4 15 1800 33 100 5 10 48 0 .07 0 147 4 15 1900 33 100 5 11 55 .01 .08 0 147 4 15 2000 32 100 4 8 56 .02 .1 30 147 4 15 2100 32 100 1 5 60 .01 .11 30 146 4 15 2200 32 100 3 6 64 .02 .13 31 147 4 15 2300 31 100 3 6 54 .01 .14 30 146 4 16 0 31 100 0 6 58 .01 .15 0 146 4 16 100 31 100 1 6 109 .02 .17 0 145 4 16 200 31 100 4 10 208 .02 .19 0 145 4 16 300 29 100 6 12 213 .03 .22 47 146 4 16 400 29 100 4 12 225 .02 .24 47 148 Total Prec. 4800' ------------------------------------------------------ .24 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Grace Lakes, Stevens Pass, Washington MM/DD Hour Temp RH Wind Wind Wind Total Shot PST F % Avg Max Dir Snow Snow 4790' 4790' 4590' 4590' 4590' 4790' 4790' ------------------------------------------------------ 4 15 500 31 100 0 0 0 161 4 4 15 600 31 100 0 0 0 161 5 4 15 700 32 97 0 0 0 160 4 4 15 800 33 91 0 2 334 160 4 4 15 900 37 82 0 2 3 160 4 4 15 1000 35 92 2 6 126 160 4 4 15 1100 36 90 7 16 158 160 4 4 15 1200 38 88 8 16 155 160 4 4 15 1300 36 91 6 11 147 159 4 4 15 1400 35 93 4 14 156 159 4 4 15 1500 37 92 8 17 134 159 3 4 15 1600 35 95 6 17 149 159 3 4 15 1700 35 96 7 17 147 159 3 4 15 1800 34 97 7 17 146 159 3 4 15 1900 33 100 8 17 154 159 3 4 15 2000 32 100 8 16 167 158 3 4 15 2100 32 100 3 8 173 158 3 4 15 2200 32 100 6 13 171 158 3 4 15 2300 32 100 4 9 175 158 3 4 16 0 32 100 0 7 226 157 3 4 16 100 32 100 1 4 301 157 3 4 16 200 32 100 2 9 285 157 3 4 16 300 30 100 2 10 284 157 4 4 16 400 29 100 0 0 0 158 5 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Berne Snow Camp 8 miles east of Stevens Pass, Washington MM/DD Hour Temp RH Hour Total 24 Hr Total Press PST F % Prec. Prec. Snow Snow mb 2700' 2700' 2700' 2700' 2700' 2700' 2700' ------------------------------------------------------ 4 15 500 36 93 0 0 0 6 1009 4 15 600 36 93 0 0 0 6 1008 4 15 700 37 92 0 0 0 6 1009 4 15 800 44 85 0 0 0 3 1008 4 15 900 48 75 0 0 0 4 1007 4 15 1000 44 76 0 0 0 4 1007 4 15 1100 47 72 0 0 0 4 1006 4 15 1200 49 58 0 0 0 3 1005 4 15 1300 47 63 0 0 0 4 1004 4 15 1400 43 80 .01 .01 0 5 1004 4 15 1500 45 69 .01 .02 0 4 1002 4 15 1600 42 86 .06 .08 0 4 1002 4 15 1700 42 87 .04 .12 0 4 1001 4 15 1800 41 90 .01 .13 0 4 1001 4 15 1900 41 89 0 .13 0 4 1000 4 15 2000 40 93 .02 .15 0 4 999 4 15 2100 38 92 .04 .19 0 20 999 4 15 2200 38 93 .07 .26 0 136 998 4 15 2300 37 93 .08 .34 0 4 998 4 16 0 37 93 .02 .36 0 4 998 4 16 100 37 93 .02 .38 0 4 997 4 16 200 37 93 .01 .39 0 3 997 4 16 300 36 93 .05 .44 0 4 998 4 16 400 36 93 .03 .47 0 4 998 Total Prec. 2700' ------------------------------------ .47 Page 1 4-16-2018 Northwest Avalanche Center Dirty Face Mountain, Washington Wind gages unheated and may rime Wind direction out MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 5980' 5980' 5980' 5980' 5980' 5980' ------------------------------------------------ 4 15 500 27 95 13 19 25 249 4 15 600 27 95 14 18 23 242 4 15 700 27 94 3 10 19 266 4 15 800 29 94 4 7 10 297 4 15 900 33 94 0 3 8 282 4 15 1000 34 93 0 1 5 230 4 15 1100 32 90 0 5 9 130 4 15 1200 30 93 3 8 14 143 4 15 1300 30 95 8 13 18 111 4 15 1400 30 96 11 16 21 89 4 15 1500 31 95 11 17 24 87 4 15 1600 30 96 12 22 29 91 4 15 1700 31 96 14 19 23 81 4 15 1800 30 96 8 16 24 79 4 15 1900 30 96 11 16 21 79 4 15 2000 30 96 11 14 18 83 4 15 2100 30 95 4 9 14 97 4 15 2200 29 95 2 4 10 98 4 15 2300 30 95 5 8 11 98 4 16 0 30 95 5 8 12 98 4 16 100 29 94 0 4 9 98 4 16 200 29 95 2 6 12 98 4 16 300 27 95 9 16 25 249 4 16 400 25 95 18 27 34 248 Page 1 4-16-2018 Northwest Avalanche Center Lake Wenatchee State Park, Washington Wind gages unheated and may rime Total Snow gauge replaced April 3rd Precipitation gauge repaired 4/11 2 pm MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F % Min Avg Max Dir Prec. Prec. Snow Snow 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' 1930' ------------------------------------------------------------------------ 4 15 500 37 96 0 0 0 217 0 0 0 4 4 15 600 37 96 0 0 0 217 0 0 0 2 4 15 700 39 96 0 0 1 221 0 0 0 3 4 15 800 41 95 0 0 0 261 0 0 0 4 4 15 900 44 84 0 0 2 200 0 0 0 4 4 15 1000 48 72 0 0 3 233 0 0 0 5 4 15 1100 52 58 0 0 4 218 0 0 0 4 4 15 1200 53 50 0 1 3 228 0 0 0 5 4 15 1300 50 65 0 0 4 154 0 0 0 5 4 15 1400 49 79 0 0 3 83 .01 .01 0 6 4 15 1500 48 82 0 0 2 279 0 .01 0 6 4 15 1600 48 90 0 0 0 166 .02 .03 0 0 4 15 1700 46 94 0 0 0 150 .05 .08 0 5 4 15 1800 46 94 0 0 0 113 .01 .09 0 4 4 15 1900 45 95 0 0 0 113 .03 .12 0 4 4 15 2000 45 96 0 0 0 113 .01 .13 0 3 4 15 2100 44 97 0 0 0 111 .05 .18 0 4 4 15 2200 44 96 0 0 0 103 .06 .24 0 6 4 15 2300 42 95 0 0 0 103 .08 .32 0 4 4 16 0 42 96 0 0 0 103 .02 .34 0 4 4 16 100 41 96 0 0 0 103 .01 .35 0 3 4 16 200 40 95 0 0 2 335 .01 .36 0 2 4 16 300 40 96 0 0 0 315 0 .36 0 4 4 16 400 39 96 0 0 0 319 .02 .38 0 4 Total Prec. 1930' ------------------------------------------------------------ .38 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Tumwater Mountain, Leavenworth, Washington Wind gages unheated and may rime Communications to station intermittent MM/DD Hour Temp RH Wind Wind Wind Total PST F % Avg Max Dir Snow 4180' 4180' 4180' 4180' 4180' 4180' ------------------------------------------------ 4 15 500 34 100 0 3 249 8 4 15 600 34 100 1 4 265 8 4 15 700 35 93 1 3 156 7 4 15 800 38 83 2 6 145 7 4 15 900 38 88 0 4 204 7 4 15 1000 43 71 0 2 272 6 4 15 1100 42 69 0 2 270 6 4 15 1200 42 63 1 4 239 7 4 15 1300 40 73 2 6 170 7 4 15 1400 38 84 0 4 106 7 4 15 1500 37 90 3 7 131 7 4 15 1600 36 100 4 10 159 7 4 15 1700 35 100 3 10 182 7 4 15 1800 36 100 2 8 189 7 4 15 1900 35 100 2 7 188 7 4 15 2000 35 100 3 7 239 7 4 15 2100 35 100 3 10 241 7 4 15 2200 34 100 1 4 194 7 4 15 2300 34 100 0 3 260 7 4 16 0 34 100 0 2 287 7 4 16 100 33 100 2 4 21 7 4 16 200 33 100 3 6 39 7 4 16 300 33 100 2 5 48 7 4 16 400 32 100 5 16 347 6 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Mt Washington, Washington Approx 6 mi SE of North Bend Wind direction unheated and may rime MM/DD Hour Batt Temp Wind Solar PST Volt Deg F Dir W/m2 4340' 4340' 4340' 4340' ------------------------------------------------ 4 15 500 12.8 30 28 0 4 15 600 12.7 30 27 0 4 15 700 12.8 31 27 0 4 15 800 13.3 31 25 0 4 15 900 14.1 32 10 0 4 15 1000 13.7 34 21 0 4 15 1100 13.6 35 16 0 4 15 1200 14.0 34 8 0 4 15 1300 14.0 34 7 0 4 15 1400 13.9 34 11 0 4 15 1500 14.0 33 20 0 4 15 1600 14.4 33 12 0 4 15 1700 13.9 34 21 0 4 15 1800 13.8 34 15 0 4 15 1900 13.2 33 21 0 4 15 2000 13.0 33 20 0 4 15 2100 13.0 34 20 0 4 15 2200 12.9 34 23 0 4 15 2300 12.9 33 27 0 4 16 0 12.9 31 29 0 4 16 100 12.9 31 30 0 4 16 200 12.9 30 30 0 4 16 300 12.9 30 30 0 4 16 400 12.8 29 30 0 Page 1 4-16-2018 Northwest Avalanche Center Alpental Ski Area, Washington Wind equipment is not reliable when the power is out at Chair 2 MM/DD Hour Temp Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total 24 Hr Total Inter PST F F F % % Avg Max Dir. Prec. Prec. Snow Snow Snow Snow Snow 5470' 4350' 3100' 3100' 5470' 5520' 5520' 5520' 3100' 3100' 3100' 3100' 4350' 4350' 5470' ------------------------------------------------------------------------------------------------------ 4 15 500 28 33 34 100 100 4 4 37 0 0 0 111 2 283 7 4 15 600 28 33 34 100 100 9 10 128 .01 .01 0 111 0 283 7 4 15 700 30 34 35 99 100 10 10 139 0 .01 0 111 0 283 0 4 15 800 30 35 37 96 99 10 10 139 .01 .02 0 111 0 152 0 4 15 900 31 37 40 94 98 5 19 183 0 .02 0 111 0 157 0 4 15 1000 32 38 43 88 98 3 7 94 0 .02 0 111 0 159 0 4 15 1100 33 40 44 84 96 6 12 131 0 .02 0 111 0 160 -0 4 15 1200 32 40 43 90 99 7 11 144 0 .02 0 111 0 159 0 4 15 1300 32 38 41 92 100 10 19 156 0 .02 0 111 0 160 0 4 15 1400 33 40 42 85 94 6 17 123 .01 .03 0 111 0 159 0 4 15 1500 32 39 41 85 93 7 15 96 0 .03 0 111 0 159 0 4 15 1600 32 38 41 94 100 8 19 114 .02 .05 0 111 0 159 0 4 15 1700 32 36 39 93 100 9 19 113 0 .05 0 111 0 159 0 4 15 1800 32 36 37 96 100 11 24 140 .01 .06 0 111 0 158 0 4 15 1900 31 36 36 98 100 9 17 123 0 .06 0 111 0 159 0 4 15 2000 31 35 36 99 100 13 25 139 0 .06 0 110 0 159 0 4 15 2100 31 35 36 99 100 26 60 133 .01 .07 0 111 0 158 0 4 15 2200 31 35 35 99 100 17 66 167 0 .07 0 111 0 158 0 4 15 2300 32 35 35 99 100 22 82 116 0 .07 0 110 0 158 0 4 16 0 31 35 35 99 100 39 87 103 .03 .1 0 111 0 158 0 4 16 100 30 34 35 99 100 30 91 91 .07 .17 0 110 0 156 0 4 16 200 28 33 34 99 100 42 76 356 .04 .21 0 110 0 155 2 4 16 300 27 33 33 99 100 27 63 59 .08 .29 3 110 2 159 3 4 16 400 26 32 33 100 99 31 88 279 .04 .33 2 111 2 157 3 Total Prec. 3100' ------------------------------------------------------------------------ .33 Page 1 4-16-2018 Northwest Avalanche Center Alpental Ski Area, Washington Gill gage on summit building HT wind gages on summit, unheated and may rime TEST...TEST...TEST...TEST...TEST...TEST MM/DD Hour Gill Gill Gill Gill# HT HT HT PST Avg Max Dir. Max Avg Max Dir. 5470' 5470' 5470' 1177 5520' 5520' 5520' ------------------------------------------------------ 4 15 500 4 4 37 0 0 0 0 4 15 600 9 10 128 1 0 0 0 4 15 700 10 10 139 0 0 0 0 4 15 800 10 10 139 0 0 0 0 4 15 900 5 19 183 995 0 0 0 4 15 1000 3 7 94 1177 0 0 0 4 15 1100 6 12 131 1177 0 0 0 4 15 1200 7 11 144 1177 0 0 0 4 15 1300 10 19 156 1177 0 0 0 4 15 1400 6 17 123 1177 0 0 0 4 15 1500 7 15 96 1177 0 0 0 4 15 1600 8 19 114 1177 0 0 0 4 15 1700 9 19 113 1029 0 0 0 4 15 1800 11 24 140 1177 0 0 0 4 15 1900 9 17 123 1177 0 0 0 4 15 2000 13 25 139 1167 0 0 0 4 15 2100 26 60 133 575 0 0 0 4 15 2200 17 66 167 545 0 0 0 4 15 2300 22 82 116 462 0 0 0 4 16 0 39 87 103 243 0 0 0 4 16 100 30 91 91 224 0 0 0 4 16 200 42 76 356 203 0 0 0 4 16 300 27 63 59 182 0 0 0 4 16 400 31 88 279 136 0 0 0 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Snoqualmie Pass, Washington 3770' temp above Lake Keechelus MM/DD Hour Temp Temp Temp RH Wind Wind Wind Hour Total 24 Hr Total Press PST F F F % Avg Max Dir Prec. Prec. Snow Snow mb 3760' 3770' 3010' 3010' 3760' 3760' 3760' 3010' 3010' 3010' 3010' 3010' ------------------------------------------------------------------------------------ 4 15 500 33 33 33 98 4 6 215 .01 .01 0 84 1012 4 15 600 33 33 33 97 3 6 212 0 .01 0 84 1011 4 15 700 33 33 35 96 3 6 219 0 .01 0 84 1011 4 15 800 34 35 38 95 0 4 249 0 .01 0 83 1011 4 15 900 37 37 46 86 0 5 223 0 .01 0 83 1010 4 15 1000 37 38 43 83 0 4 247 0 .01 0 83 1009 4 15 1100 41 40 46 72 1 3 86 0 .01 0 83 1008 4 15 1200 39 41 43 81 2 5 235 0 .01 0 83 1007 4 15 1300 39 40 45 76 5 16 138 0 .01 0 82 1007 4 15 1400 40 41 46 75 3 7 166 0 .01 0 82 1005 4 15 1500 41 38 43 84 2 7 95 0 .01 0 83 1004 4 15 1600 39 38 42 88 4 11 120 .02 .03 0 82 1003 4 15 1700 37 37 41 88 8 14 114 .01 .04 0 82 1003 4 15 1800 37 37 38 94 7 16 118 0 .04 0 83 1002 4 15 1900 36 36 38 96 10 14 116 0 .04 0 83 1002 4 15 2000 37 36 37 97 8 14 127 0 .04 0 83 1002 4 15 2100 37 37 36 97 5 9 82 .01 .05 0 83 1001 4 15 2200 37 36 36 97 7 15 126 0 .05 0 82 1001 4 15 2300 36 36 35 97 3 7 198 0 .05 0 82 1000 4 16 0 36 37 36 98 5 21 233 .02 .07 0 82 1000 4 16 100 35 33 34 97 17 32 234 .09 .16 0 82 1000 4 16 200 33 32 34 97 10 17 225 .04 .2 0 82 1001 4 16 300 32 32 32 97 7 12 231 .07 .27 0 83 1001 4 16 400 32 31 32 98 8 14 226 .04 .31 0 83 1001 Total Prec. 3010' ------------------------------------------------------------------ .31 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Blewett Pass, WA Precipitation gauge occasionally reports condensation 24 hr snowboard done for season MM/DD Hour Temp RH Equip Hour Total 24 Hr Total Press PST F % Temp Prec. Prec. Snow Snow mb 4100' 4100' 4100' 4100' 4100' 4100' 4100' 4100' ------------------------------------------------------------ 4 15 500 33 98 47 0 0 0 1010 4 15 600 33 96 47 0 0 0 1010 4 15 700 37 93 55 0 0 0 1009 4 15 800 41 73 66 0 0 -0 1009 4 15 900 41 69 68 0 0 -0 1008 4 15 1000 43 69 66 0 0 0 1008 4 15 1100 41 71 57 0 0 0 1007 4 15 1200 41 68 56 0 0 0 1007 4 15 1300 42 67 57 0 0 0 1006 4 15 1400 41 76 55 0 0 0 1005 4 15 1500 39 81 51 0 0 0 1004 4 15 1600 39 85 52 0 0 0 1003 4 15 1700 38 89 52 .01 .01 0 1002 4 15 1800 37 89 50 0 .01 0 1002 4 15 1900 36 93 48 0 .01 0 1001 4 15 2000 37 93 49 0 .01 0 1001 4 15 2100 36 96 48 .03 .04 0 1000 4 15 2200 36 96 49 0 .04 0 1000 4 15 2300 35 97 49 0 .04 0 999 4 16 0 35 98 47 .02 .06 0 999 4 16 100 35 98 48 0 .06 0 998 4 16 200 35 98 49 0 .06 0 998 4 16 300 33 98 44 .02 .08 0 999 4 16 400 32 99 41 .05 .13 0 999 Total Prec. 4100' ------------------------------------------ .13 Page 1 4-16-2018 Northwest Avalanche Center Mission Ridge Ski Area, Washington MM/DD Hour Temp Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total PST F F F % % Avg Max Dir Prec. Prec. Snow Snow 6730' 5160' 4610' 6730' 5160' 6730' 6730' 6730' 5160' 5160' 5160' 5160' ------------------------------------------------------------------------------------ 4 15 500 26 32 32 95 100 16 24 245 0 0 0 39 4 15 600 26 32 33 95 98 17 25 260 0 0 0 40 4 15 700 26 33 34 93 95 13 27 277 0 0 0 39 4 15 800 30 35 37 91 89 4 11 270 0 0 0 40 4 15 900 31 36 38 92 90 2 5 232 0 0 0 40 4 15 1000 31 34 36 90 100 2 8 238 0 0 0 40 4 15 1100 31 34 36 94 100 7 17 44 0 0 0 40 4 15 1200 30 35 38 95 98 11 17 62 0 0 0 40 4 15 1300 31 35 38 94 97 8 17 56 0 0 0 40 4 15 1400 30 34 38 95 98 17 24 54 .02 .02 0 40 4 15 1500 29 33 36 96 100 19 29 55 .01 .03 0 39 4 15 1600 29 33 35 96 100 8 13 61 .02 .05 0 40 4 15 1700 29 33 34 97 100 12 20 67 .01 .06 0 40 4 15 1800 29 33 34 97 100 16 24 70 .05 .11 0 40 4 15 1900 29 33 33 97 100 17 27 65 .05 .16 1 41 4 15 2000 29 33 33 97 100 8 21 64 .05 .21 1 40 4 15 2100 30 33 33 97 100 4 12 226 .03 .24 1 40 4 15 2200 30 33 34 97 100 7 13 232 0 .24 1 40 4 15 2300 30 33 34 97 100 14 22 233 .01 .25 1 40 4 16 0 29 33 35 97 100 22 30 239 .03 .28 1 41 4 16 100 28 33 34 97 100 20 26 239 .03 .31 1 40 4 16 200 28 32 34 97 100 20 28 239 0 .31 1 41 4 16 300 32 33 100 .05 .36 1 39 4 16 400 29 31 100 .04 .4 2 130 Total Prec. 5160' ------------------------------------------------------------------------ .4 Page 1 4-16-2018 Northwest Avalanche Center Crystal Mountain Ski Area, Washington Summit wind speed may record errorenous max gusts, disregard extremely high values MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F F % % Min Avg Max Dir Prec. Prec. Snow Snow 6830' 4570' 6830' 4570' 6830' 6830' 6830' 6830' 4310' 4310' 4570' 4570' ------------------------------------------------------------------------------------ 4 15 500 25 31 97 95 3 10 17 216 0 0 0 63 4 15 600 25 31 97 95 3 8 16 208 0 0 0 63 4 15 700 27 32 98 94 0 5 15 229 0 0 0 63 4 15 800 29 34 97 89 0 7 18 184 0 0 0 63 4 15 900 33 37 97 84 4 9 20 154 0 0 0 62 4 15 1000 34 40 95 68 4 10 20 114 0 0 0 63 4 15 1100 34 38 96 76 6 14 22 104 0 0 0 63 4 15 1200 35 39 93 70 8 13 21 100 0 0 0 63 4 15 1300 34 36 94 83 6 12 20 83 .02 .02 0 63 4 15 1400 33 38 95 72 11 18 30 63 0 .02 0 63 4 15 1500 33 37 96 82 11 16 28 79 .03 .05 0 63 4 15 1600 32 37 96 84 11 17 30 86 .01 .06 0 63 4 15 1700 31 36 96 87 13 20 32 99 .01 .07 0 63 4 15 1800 30 34 97 92 16 25 37 104 .02 .09 0 63 4 15 1900 29 34 98 92 13 24 34 107 .01 .1 0 63 4 15 2000 29 33 98 94 12 22 35 112 .03 .13 0 63 4 15 2100 28 34 97 91 8 19 35 128 .02 .15 0 63 4 15 2200 26 33 97 91 12 27 47 191 0 .15 0 63 4 15 2300 25 32 97 88 8 23 40 208 0 .15 0 63 4 16 0 23 31 98 89 11 28 47 214 0 .15 0 63 4 16 100 22 31 97 83 13 29 47 213 0 .15 0 63 4 16 200 22 30 97 86 12 26 43 222 0 .15 0 64 4 16 300 21 29 97 80 7 26 41 228 0 .15 0 63 4 16 400 21 29 97 84 6 22 37 228 0 .15 0 63 Total Prec. 4310' ------------------------------------------------------------------------ .15 Page 1 4-16-2018 Northwest Avalanche Center Green Valley, Crystal Mountain Ski Area, Washington MM/DD Hour Temp 24 Hr Total PST F Snow Snow 6230' 6230' 6230' ------------------------------ 4 15 500 26 0 115 4 15 600 25 0 115 4 15 700 28 0 115 4 15 800 28 0 114 4 15 900 32 0 114 4 15 1000 33 0 114 4 15 1100 31 0 114 4 15 1200 33 0 114 4 15 1300 32 0 114 4 15 1400 32 0 113 4 15 1500 32 0 114 4 15 1600 31 0 114 4 15 1700 30 0 114 4 15 1800 29 0 114 4 15 1900 29 0 115 4 15 2000 29 1 116 4 15 2100 29 1 115 4 15 2200 28 1 115 4 15 2300 26 1 116 4 16 0 25 1 116 4 16 100 25 1 116 4 16 200 25 1 116 4 16 300 24 1 116 4 16 400 23 1 116 Page 1 4-16-2018 Northwest Avalanche Center Washington Department of Transportation Chinook Pass, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Equip Hour Total Total PST F F % % Avg Max Dir Temp Prec. Prec. Snow 6240' 5500' 6240' 5500' 6240' 6240' 6240' 5500' 5500' 5500' 5500' ------------------------------------------------------------------------------ 4 15 500 26 28 95 100 0 7 220 45 0 0 215 4 15 600 27 28 95 100 5 10 173 44 0 0 215 4 15 700 28 30 96 100 5 9 168 50 0 0 215 4 15 800 30 31 96 99 1 10 158 53 0 0 215 4 15 900 31 32 96 97 7 12 135 57 0 0 214 4 15 1000 33 32 96 96 5 10 102 61 0 0 214 4 15 1100 32 34 96 95 5 11 92 64 0 0 213 4 15 1200 34 33 94 96 1 5 85 66 0 0 213 4 15 1300 33 32 95 98 3 9 105 57 0 0 212 4 15 1400 34 32 95 99 3 8 63 54 0 0 212 4 15 1500 33 31 94 100 3 10 69 48 0 0 211 4 15 1600 33 31 95 100 2 5 82 48 0 0 211 4 15 1700 32 31 96 100 4 12 87 47 0 0 211 4 15 1800 31 31 97 100 6 12 85 45 0 0 211 4 15 1900 30 30 97 100 6 11 84 46 0 0 210 4 15 2000 30 30 97 100 7 13 88 46 0 0 212 4 15 2100 28 30 96 100 14 26 133 44 0 0 212 4 15 2200 28 30 96 100 11 24 187 43 0 0 212 4 15 2300 25 27 95 100 9 22 192 41 0 0 212 4 16 0 24 27 95 100 11 26 231 41 0 0 212 4 16 100 24 27 95 100 8 18 224 41 0 0 212 4 16 200 23 26 95 100 8 21 230 40 0 0 212 4 16 300 22 25 94 100 9 20 234 39 0 0 212 4 16 400 22 24 94 100 10 18 238 39 0 0 212 Total Prec. 5500' ------------------------------------------------------------------------ 0 Page 1 4-16-2018 Northwest Avalanche Center Sunrise, Mount Rainier National Park, Washington Wind gages unheated and may rime MM/DD Hour Temp Temp RH RH Wind Wind Wind Total PST F F % % Avg Max Dir Snow 6880' 6410' 6880' 6410' 6880' 6880' 6880' 6410' ------------------------------------------------------------ 4 15 500 25 24 97 95 0 0 83 117 4 15 600 25 25 97 94 0 0 137 117 4 15 700 28 26 96 92 0 0 46 116 4 15 800 33 31 83 84 0 4 112 116 4 15 900 35 30 79 89 3 7 160 116 4 15 1000 33 32 82 82 8 12 175 113 4 15 1100 29 31 92 85 10 15 170 115 4 15 1200 30 33 91 85 16 20 178 114 4 15 1300 32 33 88 84 9 14 176 114 4 15 1400 31 33 91 85 9 15 173 114 4 15 1500 32 31 91 90 8 12 172 115 4 15 1600 29 30 96 93 11 15 173 116 4 15 1700 28 29 100 95 17 22 176 116 4 15 1800 27 28 100 97 20 25 175 116 4 15 1900 27 28 100 98 19 25 175 118 4 15 2000 27 27 100 97 16 25 176 117 4 15 2100 26 27 100 96 18 23 181 119 4 15 2200 26 26 99 95 11 22 180 119 4 15 2300 25 26 99 96 11 17 181 119 4 16 0 22 23 98 91 14 21 178 118 4 16 100 22 22 98 94 10 22 175 118 4 16 200 21 22 98 94 13 20 169 118 4 16 300 21 21 98 95 3 13 132 118 4 16 400 22 98 2 6 142 Page 1 4-16-2018 Northwest Avalanche Center Paradise, Mt Rainier National Park, Washington MM/DD Hour Temp RH Wind Wind Wind Hour Total 24 Hr Total Solar PST F % Avg Max Dir Prec. Prec. Snow Snow W/m2 5400' 5400' 5380' 5380' 5380' 5400' 5400' 5400' 5400' 5380' ------------------------------------------------------------------------ 4 15 500 29 97 9 13 270 0 0 15 199 0 4 15 600 30 97 5 11 262 0 0 15 199 6 4 15 700 31 96 0 3 262 .01 .01 15 199 73 4 15 800 34 94 1 6 341 0 .01 15 198 176 4 15 900 36 87 3 8 90 0 .01 14 197 480 4 15 1000 40 74 4 9 95 0 .01 14 196 586 4 15 1100 38 79 4 9 96 0 .01 13 196 433 4 15 1200 41 69 4 9 95 0 .01 -0 195 579 4 15 1300 39 71 4 11 99 0 .01 -0 195 664 4 15 1400 38 75 5 11 94 0 .01 0 195 535 4 15 1500 37 85 5 12 110 .01 .02 0 195 321 4 15 1600 36 83 4 7 84 .01 .03 0 195 311 4 15 1700 34 92 2 7 62 .02 .05 0 195 118 4 15 1800 33 94 2 5 64 .02 .07 0 195 46 4 15 1900 33 95 2 4 44 .02 .09 0 195 7 4 15 2000 33 96 2 4 55 .05 .14 0 195 0 4 15 2100 32 98 2 10 93 .03 .17 2 196 0 4 15 2200 32 94 3 12 233 0 .17 1 196 0 4 15 2300 28 95 7 15 304 .05 .22 2 196 0 4 16 0 28 97 3 7 247 .03 .25 0 196 0 4 16 100 28 97 3 9 256 .01 .26 2 196 0 4 16 200 26 98 6 16 239 .03 .29 2 197 0 4 16 300 25 97 10 15 273 .01 .3 3 197 0 4 16 400 25 97 10 16 268 .02 .32 3 197 0 Total Prec. 5400' ------------------------------------------------------ .32 Page 1 4-16-2018 Northwest Avalanche Center Camp Muir, Mt Rainier National Park, Washington Wind gages unheated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind Solar PST F % Min Avg Max Dir w/m2 10110' 10110' 10110' 10110' 10110' 10110' 10110' --------------------------------------------------------------- 4 15 500 14 95 18 27 32 248 0 4 15 600 12 95 12 20 25 248 12 4 15 700 13 95 14 20 24 248 81 4 15 800 12 94 11 16 20 248 241 4 15 900 13 93 12 14 19 248 525 4 15 1000 13 93 8 13 20 248 641 4 15 1100 13 94 7 12 15 248 520 4 15 1200 19 96 0 5 11 257 702 4 15 1300 21 95 0 5 13 36 986 4 15 1400 17 96 0 7 22 282 564 4 15 1500 18 97 7 17 30 264 425 4 15 1600 17 96 16 25 34 260 314 4 15 1700 17 96 17 24 34 257 195 4 15 1800 16 96 16 22 28 264 84 4 15 1900 15 96 17 21 26 264 17 4 15 2000 15 96 10 16 21 264 0 4 15 2100 15 95 10 15 19 264 0 4 15 2200 13 95 16 22 31 264 0 4 15 2300 10 93 9 20 27 264 0 4 16 0 10 93 9 20 28 264 0 4 16 100 9 93 10 17 28 264 0 4 16 200 9 93 9 19 25 264 0 4 16 300 8 93 19 29 36 264 0 4 16 400 8 93 19 25 32 264 0 Page 1 4-16-2018 Northwest Avalanche Center White Pass Ski Area, Washington Base station comms out - return date unknown MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total Total PST F F % % Min Avg Max Dir Prec. Prec. Snow 5800' 4470' 5800' 4470' 5970' 5970' 5970' 5970' 5800' 5800' 5800' ------------------------------------------------------------------------------ 4 15 500 28 97 7 14 24 260 0 0 140 4 15 600 29 97 3 9 21 247 0 0 140 4 15 700 30 96 4 9 18 263 0 0 139 4 15 800 32 93 0 3 7 163 0 0 139 4 15 900 34 89 1 5 9 85 0 0 138 4 15 1000 33 91 5 8 15 88 0 0 139 4 15 1100 33 92 7 11 16 90 0 0 138 4 15 1200 34 92 7 11 16 93 .02 .02 138 4 15 1300 33 96 6 11 19 88 .03 .05 138 4 15 1400 32 97 11 18 26 85 .06 .11 139 4 15 1500 32 95 12 17 23 85 .04 .15 139 4 15 1600 32 95 13 18 25 86 .05 .2 139 4 15 1700 31 97 13 17 24 87 .02 .22 139 4 15 1800 31 98 8 13 20 92 .03 .25 140 4 15 1900 30 98 8 10 14 92 .03 .28 140 4 15 2000 30 98 6 9 13 92 .01 .29 140 4 15 2100 29 97 1 6 13 92 0 .29 140 4 15 2200 29 95 1 11 24 92 0 .29 140 4 15 2300 26 94 6 19 37 92 0 .29 140 4 16 0 26 94 4 14 27 92 0 .29 140 4 16 100 26 96 5 10 22 92 0 .29 140 4 16 200 25 98 5 16 27 92 0 .29 140 4 16 300 24 95 8 21 40 92 0 .29 140 4 16 400 23 97 14 27 44 92 0 .29 140 Total Prec. 5800' ------------------------------------------------------------------------ .29 Page 1 4-16-2018 Northwest Avalanche Center Mt St Helens, Coldwater Ridge Visitor Center, Washington Wind exposed site may affect precipitation measurements Temperature sensor may have warm bias MM/DD Hour Temp RH Wind Wind Wind Hour Total PST F % Avg Max Dir Prec. Prec. 3260' 3260' 3260' 3260' 3260' 3260' 3260' ------------------------------------------------------ 4 15 500 36 98 -0 0 29 .04 .04 4 15 600 36 98 -0 0 89 .03 .07 4 15 700 38 99 -0 0 93 0 .07 4 15 800 42 95 -0 0 166 0 .07 4 15 900 44 90 0 2 146 0 .07 4 15 1000 44 86 0 5 170 0 .07 4 15 1100 44 83 0 5 161 0 .07 4 15 1200 48 74 0 5 108 0 .07 4 15 1300 49 65 1 7 118 0 .07 4 15 1400 49 74 0 6 140 0 .07 4 15 1500 49 74 0 5 142 0 .07 4 15 1600 46 81 2 10 134 0 .07 4 15 1700 44 93 0 10 182 .02 .09 4 15 1800 42 95 0 5 158 .01 .1 4 15 1900 41 93 0 7 144 0 .1 4 15 2000 41 91 2 8 107 .01 .11 4 15 2100 37 96 3 13 161 .05 .16 4 15 2200 37 93 5 23 123 0 .16 4 15 2300 35 94 4 21 120 .01 .17 4 16 0 35 95 3 14 191 0 .17 4 16 100 34 92 2 14 138 0 .17 4 16 200 34 95 1 5 167 0 .17 4 16 300 33 97 0 5 148 .02 .19 4 16 400 33 96 0 2 145 .09 .28 Total Prec. 3260' ------------------------------------------------------ .28 Page 1 4-16-2018 Northwest Avalanche Center Timberline Lodge, Oregon MM/DD Hour Temp RH Wind Wind Wind Wind Hour Total 24 Hr Total PST F % Min Avg Max Dir Prec. Prec. Snow Snow 5880' 5880' 6000' 6000' 6000' 6000' 5880' 5880' 5880' 5880' ------------------------------------------------------------------------ 4 15 500 28 100 0 6 15 296 .02 .02 0 168 4 15 600 29 100 -0 2 6 296 0 .02 0 168 4 15 700 30 100 -0 0 3 295 0 .02 0 167 4 15 800 31 99 -0 -0 0 291 0 .02 0 167 4 15 900 30 99 -0 0 2 103 .01 .03 0 168 4 15 1000 31 99 -0 0 7 97 .11 .14 2 168 4 15 1100 32 99 -0 1 10 97 .07 .21 2 168 4 15 1200 32 100 -0 2 14 104 .02 .23 2 168 4 15 1300 33 99 -0 3 14 88 .01 .24 2 169 4 15 1400 35 92 -0 0 4 125 .02 .26 2 169 4 15 1500 32 98 -0 0 6 288 .04 .3 2 168 4 15 1600 32 99 -0 0 6 255 .03 .33 2 168 4 15 1700 32 100 -0 0 7 259 0 .33 2 168 4 15 1800 31 99 -0 0 4 253 0 .33 2 168 4 15 1900 28 100 -0 4 22 226 .05 .38 3 168 4 15 2000 27 99 -0 3 13 282 .03 .41 3 169 4 15 2100 26 98 0 6 16 287 0 .41 3 169 4 15 2200 24 98 1 7 20 281 0 .41 2 168 4 15 2300 24 98 0 5 11 278 0 .41 3 168 4 16 0 22 98 4 10 18 279 .01 .42 3 169 4 16 100 22 98 4 10 21 281 .03 .45 3 169 4 16 200 22 98 4 11 21 283 .05 .5 3 169 4 16 300 22 98 5 11 19 280 .04 .54 4 169 4 16 400 22 97 4 11 23 284 .09 .63 5 170 Total Prec. 5880' ------------------------------------------------------------ .63 Page 1 4-16-2018 Northwest Avalanche Center Top of The Magic Mile chair, Timberline, Oregon Wind direction not heated and may rime MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 7000' 7000' 7000' 7000' 7000' 7000' ------------------------------------------------ 4 15 500 26 98 0 0 0 11 4 15 600 26 98 0 0 0 15 4 15 700 28 98 0 0 1 10 4 15 800 30 98 0 0 1 10 4 15 900 27 97 0 0 2 0 4 15 1000 27 99 0 0 2 2 4 15 1100 29 100 0 0 1 3 4 15 1200 29 99 0 0 1 3 4 15 1300 31 100 0 0 1 12 4 15 1400 34 99 0 0 1 13 4 15 1500 32 98 0 0 0 9 4 15 1600 31 98 0 0 0 14 4 15 1700 29 99 0 0 0 23 4 15 1800 28 99 0 0 0 11 4 15 1900 25 98 0 0 0 20 4 15 2000 24 98 0 0 0 9 4 15 2100 22 97 0 0 0 11 4 15 2200 21 98 0 0 0 5 4 15 2300 20 97 0 0 0 9 4 16 0 20 97 0 0 0 6 4 16 100 19 97 0 0 0 6 4 16 200 19 97 0 0 0 11 4 16 300 19 97 0 0 0 5 4 16 400 19 97 0 0 0 7 Page 1 4-16-2018 Northwest Avalanche Center Mt Hood Meadows Ski Area, Oregon MM/DD Hour Temp Temp RH RH Wind Wind Wind Hour Total 24 Hr Total Press PST F F % % Avg Max Dir Prec. Prec. Snow Snow mb 6540' 5380' 6540' 5380' 6540' 6540' 6540' 5380' 5380' 5380' 5380' 5380' ------------------------------------------------------------------------------------ 4 15 500 25 30 91 93 11 23 219 0 0 0 112 1010 4 15 600 25 31 91 92 8 16 247 0 0 0 112 1009 4 15 700 25 32 91 90 8 15 241 0 0 -0 111 1009 4 15 800 26 33 91 89 3 9 218 0 0 0 111 1008 4 15 900 27 32 92 92 0 5 211 .01 .01 0 112 1007 4 15 1000 28 33 92 92 0 5 109 .08 .09 1 116 1007 4 15 1100 29 35 92 85 2 7 124 .03 .12 0 109 1005 4 15 1200 29 34 92 90 2 7 123 .02 .14 1 113 1005 4 15 1300 29 35 92 88 3 8 226 .02 .16 2 113 1004 4 15 1400 28 36 92 88 8 14 245 .02 .18 2 113 1003 4 15 1500 28 34 92 92 9 19 229 .02 .2 1 111 1002 4 15 1600 27 33 92 92 11 19 230 .03 .23 2 112 1002 4 15 1700 26 33 92 92 13 21 224 0 .23 1 112 1002 4 15 1800 26 32 92 94 11 21 205 0 .23 1 112 1001 4 15 1900 24 31 91 94 13 22 219 .02 .25 1 111 1001 4 15 2000 23 29 91 91 13 26 255 .04 .29 2 112 1001 4 15 2100 21 28 90 87 15 30 247 0 .29 2 113 1001 4 15 2200 20 26 90 88 15 29 237 0 .29 1 113 1001 4 15 2300 19 25 90 91 14 30 217 0 .29 1 112 1001 4 16 0 19 25 90 92 17 30 250 .01 .3 1 112 1001 4 16 100 19 25 90 91 17 36 248 .02 .32 45 113 1001 4 16 200 19 24 89 93 19 32 206 .03 .35 2 112 1001 4 16 300 18 24 89 93 20 37 236 .04 .39 46 113 1001 4 16 400 18 24 89 93 22 38 268 .04 .43 46 114 1002 Total Prec. 5380' ------------------------------------------------------------------ .43 Page 1 4-16-2018 Northwest Avalanche Center Top of Cascade Express, Mt Hood Meadows Ski Area, Oregon Wind gages heated but building structure may cause rime around instruments Dec 2017: Maxiumum winds will sporadically show errant high gusts MM/DD Hour Temp RH Wind Wind Wind Wind PST F % Min Avg Max Dir 7300' 7300' 7300 7300' 7300' 7300' ------------------------------------------------ 4 15 500 25 93 11 32 48 191 4 15 600 25 93 0 20 30 164 4 15 700 26 92 5 19 28 155 4 15 800 31 92 0 6 18 131 4 15 900 33 95 0 2 12 177 4 15 1000 28 94 0 2 10 63 4 15 1100 30 91 0 3 12 92 4 15 1200 30 94 0 4 12 127 4 15 1300 34 89 0 9 22 167 4 15 1400 35 84 0 13 26 169 4 15 1500 34 88 2 20 31 157 4 15 1600 33 92 2 17 28 129 4 15 1700 31 100 7 22 34 130 4 15 1800 29 100 3 19 32 138 4 15 1900 26 97 5 21 34 156 4 15 2000 22 93 8 28 44 176 4 15 2100 20 90 18 34 48 129 4 15 2200 20 91 13 34 47 141 4 15 2300 19 90 18 34 48 132 4 16 0 18 89 20 40 58 151 4 16 100 18 89 24 43 58 173 4 16 200 18 89 27 47 64 184 4 16 300 17 89 11 28 52 198 4 16 400 17 89 10 20 27 217 Page 1 4-16-2018 Northwest Avalanche Center Ski Bowl Ski Area, Government Camp, Oregon Wind direction out MM/DD Hour Temp Temp RH RH Wind Wind Wind Wind Hour Total Total PST F F % % Min Avg Max Dir Prec. Prec. Snow 5010' 3660' 5010' 3660' 5010' 5010' 5010' 5010' 3660' 3660' 5010' ------------------------------------------------------------------------------ 4 15 500 32 33 99 98 0 1 6 49 .01 .01 55 4 15 600 32 33 98 98 0 0 3 50 0 .01 55 4 15 700 33 34 96 98 0 1 4 49 0 .01 54 4 15 800 33 37 96 97 0 7 13 48 0 .01 55 4 15 900 35 37 92 95 2 5 9 49 .01 .02 55 4 15 1000 34 37 93 96 3 10 15 48 .07 .09 54 4 15 1100 37 39 88 94 5 12 19 48 .03 .12 54 4 15 1200 37 39 89 95 4 8 14 50 .04 .16 55 4 15 1300 37 40 87 95 3 8 18 50 .04 .2 55 4 15 1400 41 40 85 93 0 3 8 50 .02 .22 54 4 15 1500 39 38 85 95 0 2 8 51 0 .22 54 4 15 1600 37 38 90 96 0 2 6 48 .02 .24 55 4 15 1700 35 36 93 96 1 4 9 49 0 .24 55 4 15 1800 34 35 93 97 2 6 9 49 0 .24 55 4 15 1900 31 34 96 96 2 7 17 50 .04 .28 54 4 15 2000 31 34 97 98 0 3 13 51 0 .28 54 4 15 2100 30 33 93 97 2 5 12 52 0 .28 53 4 15 2200 28 33 93 97 0 4 13 51 0 .28 53 4 15 2300 27 32 97 97 1 5 12 52 .01 .29 54 4 16 0 26 31 98 96 1 5 12 52 0 .29 53 4 16 100 26 31 100 97 1 6 11 52 .03 .32 53 4 16 200 26 30 99 97 1 6 13 52 .04 .36 53 4 16 300 25 30 99 97 3 6 13 52 .06 .42 54 4 16 400 25 30 100 97 2 7 21 52 .09 .51 55 Total Prec. 3660' ------------------------------------------------------------------------ .51 Page 1