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12-21-2014
Northwest Avalanche Center
Timberline Lodge, Oregon

Prec. gage may record snow falling from nearby trees
Total snow may read bushes in early season
MM/DD Hour
PST
Temp
F
5880'
RH
%
5880'
Wind
Min
6000'
Wind
Avg
6000'
Wind
Max
6000'
Wind
Dir
6000'
Hour
Prec.
5880'
Total
Prec.
5880'
24 Hr
Snow
5880'
Total
Snow
5880'

12/21 700 32 100 8 16 33 292 .46 7.86 30 15
12/21 600 32 100 8 16 32 294 .38 7.4 31 15
12/21 500 32 100 11 22 43 297 .27 7.02 31 19

12/21 400 34 100 10 20 48 299 .39 7.06 31 19
12/21 300 34 100 9 22 46 301 .35 6.67 31 19
12/21 200 35 100 12 26 51 310 .57 6.32 31 18
12/21 100 38 100 12 25 46 297 .44 5.75 31 18
12/21 0 39 100 13 25 49 295 .31 5.31 31 19
12/20 2300 40 100 15 26 52 287 .24 5 0 17
12/20 2200 39 100 10 22 44 288 .35 4.76 0 17
12/20 2100 39 100 12 21 36 288 .35 4.41 0 17
12/20 2000 39 100 11 18 32 290 .4 4.06 0 18
12/20 1900 39 100 9 17 32 290 .44 3.66 1 21
12/20 1800 38 100 8 15 28 288 .37 3.22 2 21
12/20 1700 37 100 10 17 29 292 .44 2.85 2 24
12/20 1600 36 100 7 13 23 291 .39 2.41 2 25
12/20 1500 33 100 6 12 25 294 .39 2.02 2 25
12/20 1400 32 100 5 9 16 291 .25 1.63 2 26
12/20 1300 32 100 4 10 20 292 .23 1.38 2 24
12/20 1200 31 100 4 10 21 278 .24 1.15 2 24
12/20 1100 31 100 3 9 20 295 .13 .91 0 23
12/20 1000 31 100 3 9 19 290 .17 .78 0 20
12/20 900 30 100 4 9 16 293 .16 .61 13 20
12/20 800 30 100 2 8 18 298 .14 .45 13 23
12/20 700 29 100 0 6 14 296 .13 .31 13 23
12/20 600 28 100 -0 5 12 292 .14 .18 12 22
12/20 500 28 100 1 6 16 289 .04 .04 11 22

12/20 400 28 100 1 5 12 288 .08 .93 11 21
12/20 300 28 100 -0 4 11 283 .13 .85 10 20
12/20 200 28 100 0 4 11 279 .06 .72 9 19
12/20 100 28 100 -0 3 11 280 .05 .66 9 17
12/20 0 28 100 -0 3 11 267 0 .61 8 17
12/19 2300 28 100 -0 0 6 284 .06 .61 8 18
12/19 2200 28 100 -0 2 12 296 0 .55 8 18
12/19 2100 27 100 -0 2 9 281 .01 .55 8 18
12/19 2000 27 100 -0 0 4 281 .05 .54 8 18
12/19 1900 27 100 -0 2 8 289 .01 .49 8 18
12/19 1800 26 100 -0 2 12 294 0 .48 8 18
12/19 1700 26 100 -0 2 7 295 0 .48 8 18
12/19 1600 27 100 1 5 14 311 .02 .48 8 18
12/19 1500 27 100 2 7 16 302 .01 .46 8 18
12/19 1400 27 100 3 8 16 301 .02 .45 8 18
12/19 1300 27 100 3 8 17 303 .03 .43 8 18
12/19 1200 27 100 2 6 13 291 .03 .4 8 18
12/19 1100 27 100 2 8 15 307 .03 .37 7 18
12/19 1000 27 100 2 7 13 303 .03 .34 7 18
12/19 900 26 100 1 6 12 295 .1 .31 7 17
12/19 800 26 100 0 4 13 305 .05 .21 6 15
12/19 700 26 100 2 7 15 308 .06 .16 6 15
12/19 600 27 100 -0 6 19 298 .09 .1 5 14
12/19 500 28 100 2 8 18 302 .01 .01 5 14

12/19 400 28 100 3 8 15 294 .02 .56 5 14
12/19 300 28 100 2 8 17 291 .01 .54 4 13
12/19 200 30 100 3 8 20 312 .06 .53 4 13
12/19 100 31 100 1 7 17 298 .12 .47 4 14
12/19 0 32 100 -0 5 11 258 .09 .35 4 14
12/18 2300 33 100 -0 4 13 250 0 .26 4 15
12/18 2200 33 100 0 6 12 276 0 .26 4 15
12/18 2100 32 100 0 5 14 263 .02 .26 4 15
12/18 2000 32 100 -0 4 10 243 0 .24 4 15
12/18 1900 32 100 -0 0 6 238 .06 .24 4 15
12/18 1800 31 100 -0 0 5 105 .04 .18 4 14
12/18 1700 31 96 -0 1 9 351 0 .14 4 14
12/18 1600 31 99 -0 2 9 332 0 .14 4 14
12/18 1500 32 100 -0 3 10 334 0 .14 4 14
12/18 1400 32 100 -0 1 6 295 .02 .14 4 14
12/18 1300 32 100 -0 3 11 302 0 .12 4 14
12/18 1200 32 100 -0 4 16 297 0 .12 4 15
12/18 1100 32 100 -0 0 6 299 0 .12 4 15
12/18 1000 31 100 -0 0 5 286 .04 .12 4 15
12/18 900 31 100 -0 0 3 296 .06 .08 4 15
12/18 800 30 100 -0 -0 0 291 .02 .02 4 14
12/18 700 29 100 -0 0 5 316 0 0 4 14
12/18 600 28 100 -0 2 6 331 0 0 4 14
12/18 500 28 100 -0 1 6 312 0 0 4 14

12/18 400 28 100 -0 1 6 303 0 .28 4 14
12/18 300 28 100 -0 2 7 300 0 .28 4 14
12/18 200 28 100 -0 2 8 299 0 .28 4 14
12/18 100 28 100 -0 1 7 291 .03 .28 4 14
12/18 0 28 100 -0 2 9 291 0 .25 4 14
12/17 2300 28 100 -0 2 8 299 0 .25 4 14
12/17 2200 28 100 -0 4 11 306 .01 .25 4 14
12/17 2100 28 100 4 7 13 315 0 .24 3 14
12/17 2000 28 100 1 6 17 299 .05 .24 3 13
12/17 1900 29 100 2 6 14 299 .04 .19 3 12
12/17 1800 28 100 -0 4 11 287 .06 .15 2 10
12/17 1700 29 100 -0 0 6 277 .02 .09 3 10
12/17 1600 30 100 -0 0 3 300 .03 .07 3 12
12/17 1500 30 97 -0 -0 0 277 .04 .04 2 12
12/17 1400 32 90 -0 0 2 282 0 0 2 12
12/17 1300 32 88 -0 -0 0 283 0 0 2 12
12/17 1200 31 90 -0 0 1 189 0 0 2 12
12/17 1100 31 93 -0 0 0 134 0 0 2 12
12/17 1000 30 96 -0 -0 0 154 0 0 2 12
12/17 900 30 95 -0 0 0 221 0 0 2 12
12/17 800 29 94 -0 0 3 62 0 0 2 13
12/17 700 28 95 -0 0 3 103 0 0 2 12
12/17 600 30 92 -0 0 0 110 0 0 2 12
12/17 500 29 94 -0 0 4 83 0 0 2 13

12/17 400 28 97 -0 2 8 98 0 .21 2 13
12/17 300 28 100 -0 2 11 104 0 .21 2 13
12/17 200 28 98 0 4 15 98 0 .21 2 13
12/17 100 28 97 -0 4 12 98 0 .21 2 13
12/17 0 28 99 -0 2 12 100 0 .21 2 13
12/16 2300 28 98 -0 3 14 101 0 .21 2 13
12/16 2200 29 100 -0 4 16 98 0 .21 2 13
12/16 2100 29 99 0 6 14 94 0 .21 2 13
12/16 2000 29 100 -0 4 17 104 0 .21 2 13
12/16 1900 28 100 -0 3 15 109 0 .21 2 13
12/16 1800 28 100 -0 5 14 96 0 .21 2 13
12/16 1700 28 100 -0 5 13 97 0 .21 2 13
12/16 1600 28 100 -0 3 14 105 0 .21 2 13
12/16 1500 29 100 -0 0 5 123 0 .21 2 12
12/16 1400 33 100 -0 0 2 292 0 .21 2 12
12/16 1300 33 100 -0 0 2 194 0 .21 2 13
12/16 1200 31 100 -0 0 2 213 0 .21 2 13
12/16 1100 30 100 -0 0 0 228 .02 .21 2 13
12/16 1000 29 100 -0 0 4 242 0 .19 2 13
12/16 900 29 100 -0 0 4 281 .01 .19 2 13
12/16 800 28 100 -0 0 2 302 0 .18 2 12
12/16 700 28 100 -0 0 2 306 .06 .18 2 12
12/16 600 27 100 -0 0 1 53 .06 .12 2 12
12/16 500 26 100 -0 0 3 62 .06 .06 1 12

12/16 400 26 100 -0 0 6 115 .08 .26 1 12
12/16 300 25 100 -0 2 9 90 .06 .18 0 11
12/16 200 25 100 -0 2 12 106 .09 .12 0 11
12/16 100 25 100 -0 4 12 89 .01 .03 0 11
12/16 0 26 100 0 7 13 93 0 .02 0 11
12/15 2300 25 100 0 6 16 94 0 .02 0 11
12/15 2200 25 100 2 8 17 90 .02 .02 0 11
12/15 2100 26 100 0 8 16 92 0 0 0 11
12/15 2000 26 100 -0 6 16 98 0 0 0 11
12/15 1900 26 97 1 6 14 106 0 0 0 11
12/15 1800 27 90 1 10 22 95 0 0 0 11
12/15 1700 27 91 2 10 20 95 0 0 0 11
12/15 1600 27 94 1 7 16 94 0 0 0 11
12/15 1500 27 95 1 6 17 98 0 0 0 11
12/15 1400 27 95 0 7 16 100 0 0 0 11
12/15 1300 26 99 1 6 16 95 0 0 0 11
12/15 1200 25 100 0 6 20 97 0 0 0 11
12/15 1100 25 100 2 6 14 100 0 0 0 11
12/15 1000 27 99 2 11 21 91 0 0 0 11
12/15 900 25 100 2 10 23 87 0 0 0 11
12/15 800 24 100 2 10 22 91 0 0 0 11
12/15 700 25 100 3 8 18 91 0 0 0 11
12/15 600 25 100 -0 6 15 84 0 0 0 11
12/15 500 24 99 1 9 18 83 0 0 0 11

12/15 400 24 97 1 9 20 90 0 .01 0 11
12/15 300 23 97 2 11 21 93 0 .01 0 11
12/15 200 24 91 3 10 19 92 .01 .01 0 11
12/15 100 24 87 2 9 19 99 0 0 0 11
12/15 0 24 74 2 13 27 103 0 0 0 11
12/14 2300 25 57 4 18 29 102 0 0 0 11
12/14 2200 25 62 7 16 27 101 0 0 0 11
12/14 2100 25 59 3 12 24 99 0 0 0 11
12/14 2000 26 62 4 13 26 101 0 0 0 11
12/14 1900 25 63 2 12 23 104 0 0 0 11
12/14 1800 27 55 2 11 25 103 0 0 0 11
12/14 1700 27 55 3 9 23 111 0 0 0 11
12/14 1600 28 49 3 13 30 104 0 0 0 11
12/14 1500 29 39 6 16 33 102 0 0 0 11
12/14 1400 30 42 5 16 28 103 0 0 0 12
12/14 1300 28 55 4 11 31 109 0 0 0 12
12/14 1200 28 60 2 8 24 113 0 0 0 12
12/14 1100 28 67 3 10 25 108 0 0 0 13
12/14 1000 27 61 1 11 23 107 0 0 3 13
12/14 900 26 63 2 9 22 107 0 0 2 12
12/14 800 25 82 4 13 25 97 0 0 3 12
12/14 700 25 87 3 12 22 95 0 0 3 12
12/14 600 25 83 2 10 19 96 0 0 3 12
12/14 500 25 79 4 11 18 93 0 0 3 13

12/14 400 25 85 -0 5 14 97 0 .17 3 13
12/14 300 25 85 -0 6 14 94 0 .17 3 13
12/14 200 26 84 -0 5 14 96 0 .17 3 12
12/14 100 25 89 -0 4 11 90 0 .17 3 12
12/14 0 25 95 -0 4 12 98 0 .17 3 12
12/13 2300 25 95 -0 0 8 104 0 .17 3 12
12/13 2200 26 80 -0 3 10 88 0 .17 3 13
12/13 2100 27 78 -0 2 6 86 0 .17 3 12
12/13 2000 26 82 -0 0 3 81 0 .17 3 12
12/13 1900 26 86 -0 0 0 64 0 .17 3 12
12/13 1800 24 92 -0 -0 0 4 0 .17 3 12
12/13 1700 26 93 -0 3 8 360 0 .17 3 12
12/13 1600 27 92 0 6 11 328 0 .17 3 11
12/13 1500 28 91 1 7 12 329 0 .17 3 11
12/13 1400 30 91 -0 3 10 319 0 .17 3 12
12/13 1300 30 90 1 6 10 329 0 .17 3 12
12/13 1200 28 91 3 7 12 327 .02 .17 3 12
12/13 1100 29 94 3 7 14 319 .06 .15 3 12
12/13 1000 26 95 3 8 14 329 0 .09 3 12
12/13 900 26 97 3 6 10 330 .01 .09 3 12
12/13 800 25 98 3 7 12 326 0 .08 4 12
12/13 700 25 100 3 8 14 321 .02 .08 4 11
12/13 600 26 100 0 7 14 313 .03 .06 4 11
12/13 500 26 100 3 7 14 315 .03 .03 3 12

12/13 400 26 100 3 7 14 311 .01 .22 3 12
12/13 300 26 100 4 8 16 312 .05 .21 3 12
12/13 200 26 100 4 9 16 312 .04 .16 2 11
12/13 100 26 100 3 10 18 317 .02 .12 2 11
12/13 0 25 98 5 11 18 331 .01 .1 2 10
12/12 2300 26 100 4 11 21 321 .02 .09 2 10
12/12 2200 26 100 5 10 20 316 .01 .07 2 10
12/12 2100 27 100 4 9 16 318 .03 .06 2 9
12/12 2000 26 100 4 10 17 326 0 .03 1 9
12/12 1900 26 99 5 11 18 330 0 .03 1 9
12/12 1800 24 92 4 9 15 324 0 .03 1 8
12/12 1700 25 98 4 10 19 321 0 .03 1 8
12/12 1600 27 99 2 8 15 321 .02 .03 0 8
12/12 1500 28 99 2 7 14 317 0 .01 0 7
12/12 1400 29 100 3 8 14 319 .01 .01 0 7
12/12 1300 30 99 0 6 11 318 0 0 0 8
12/12 1200 31 97 2 6 12 327 0 0 0 8
12/12 1100 30 100 0 4 9 325 0 0 0 8
12/12 1000 30 100 -0 4 9 329 0 0 0 8
12/12 900 29 100 -0 0 6 335 0 0 0 8
12/12 800 29 100 -0 3 10 333 0 0 0 9
12/12 700 29 100 0 4 9 333 0 0 0 8
12/12 600 29 100 0 4 8 318 0 0 0 8
12/12 500 29 100 0 4 10 327 0 0 0 8

12/12 400 30 100 1 5 10 327 0 .15 0 9
12/12 300 29 100 0 5 11 312 0 .15 0 8
12/12 200 29 100 6 11 16 320 0 .15 0 8
12/12 100 30 100 5 9 16 319 0 .15 0 8
12/12 0 30 100 6 11 19 314 .02 .15 0 8
12/11 2300 30 100 1 10 18 316 0 .13 0 8
12/11 2200 30 100 0 6 14 303 .03 .13 0 8
12/11 2100 31 100 4 10 29 293 0 .1 0 8
12/11 2000 31 100 4 11 22 265 0 .1 0 8
12/11 1900 32 97 3 12 32 257 0 .1 0 8
12/11 1800 32 100 2 8 18 225 0 .1 0 8
12/11 1700 33 100 -0 7 16 220 0 .1 0 8
12/11 1600 34 100 0 8 21 217 0 .1 0 8
12/11 1500 34 100 -0 9 26 222 .06 .1 0 9
12/11 1400 36 100 -0 4 12 141 0 .04 0 8
12/11 1300 37 100 -0 2 10 111 0 .04 0 8
12/11 1200 37 100 2 8 20 132 0 .04 0 9
12/11 1100 37 100 3 9 30 130 0 .04 0 8
12/11 1000 36 100 3 10 22 116 0 .04 0 8
12/11 900 36 100 4 11 25 117 0 .04 0 9
12/11 800 36 100 4 10 20 107 0 .04 0 9
12/11 700 35 100 4 11 22 112 0 .04 0 9
12/11 600 34 100 4 10 26 110 .01 .04 0 9
12/11 500 33 100 5 12 22 121 .03 .03 0 9

MM/DD Hour
PST
Temp
F
5880'
RH
%
5880'
Wind
Min
6000'
Wind
Avg
6000'
Wind
Max
6000'
Wind
Dir
6000'
Hour
Prec.
5880'
Total
Prec.
5880'
24 Hr
Snow
5880'
Total
Snow
5880'