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9-20-2018
Northwest Avalanche Center
Alpental Ski Area, Washington

Upper station not powered over summer at ski area.
Mid-station internet comms temporarily down at ski area.
MM/DD Hour
PST
Temp
F
5470'
Temp
F
4350'
Temp
F
3100'
RH
%
3100'
RH
%
5470'
Wind
Avg
5520'
Wind
Max
5520'
Wind
Dir.
5520'
Hour
Prec.
3100'
Total
Prec.
3100'
24 Hr
Snow
3100'
Total
Snow
3100'
24 Hr
Snow
4350'
Total
Snow
4350'
Inter
Snow
5470'

9/20 1700 50 88 0 .28 22
9/20 1600 52 86 0 .28 21
9/20 1500 52 84 0 .28 22
9/20 1400 53 84 0 .28 23
9/20 1300 51 88 0 .28 22
9/20 1200 49 91 0 .28 23
9/20 1100 47 96 0 .28 23
9/20 1000 46 97 0 .28 23
9/20 900 45 97 0 .28 23
9/20 800 45 98 .02 .28 24
9/20 700 45 98 0 .26 23
9/20 600 44 98 .03 .26 22
9/20 500 45 97 .01 .23 19

9/20 400 45 97 0 .22 23
9/20 300 45 98 .01 .22 22
9/20 200 46 97 .09 .21 22
9/20 100 46 98 .05 .12 22
9/20 0 46 96 .06 .07 23
9/19 2300 46 94 0 .01 22
9/19 2200 46 92 .01 .01 22
9/19 2100 47 87 0 0 23
9/19 2000 46 86 0 0 22
9/19 1900 46 82 0 0 23
9/19 1800 48 83 0 0 21
9/19 1700 50 78 0 0 23
9/19 1600 52 75 0 0 21
9/19 1500 58 55 0 0 20
9/19 1400 60 48 0 0 22
9/19 1300 60 53 0 0 23
9/19 1200 58 56 0 0 23
9/19 1100 57 60 0 0 22
9/19 1000 52 73 0 0 23
9/19 900 49 84 0 0 23
9/19 800 42 97 0 0 23
9/19 700 40 96 0 0 23
9/19 600 40 96 0 0 23
9/19 500 41 96 0 0 23

9/19 400 41 96 0 0 23
9/19 300 41 96 0 0 23
9/19 200 41 96 0 0 23
9/19 100 41 96 0 0 23
9/19 0 42 96 0 0 23
9/18 2300 42 95 0 0 23
9/18 2200 43 95 0 0 23
9/18 2100 43 94 0 0 23
9/18 2000 44 94 0 0 23
9/18 1900 45 93 0 0 23
9/18 1800 47 91 0 0 23
9/18 1700 49 88 0 0 22
9/18 1600 52 84 0 0 21
9/18 1500 58 69 0 0 23
9/18 1400 60 63 0 0 23
9/18 1300 60 61 0 0 23
9/18 1200 58 62 0 0 23
9/18 1100 57 65 0 0 23
9/18 1000 51 75 0 0 23
9/18 900 48 80 0 0 23
9/18 800 45 91 0 0 21
9/18 700 44 95 0 0 24
9/18 600 42 96 0 0 24
9/18 500 41 96 0 0 24

(some missing data for this range)
9/17 2200 45 93 0 0 24
9/17 2100 46 95 0 0 24
9/17 2000 46 93 0 0 24
9/17 1900 47 91 0 0 23
9/17 1800 49 87 0 0 23
9/17 1700 50 87 0 0 23
9/17 1600 51 86 0 0 23
9/17 1500 52 83 0 0 23
9/17 1400 57 65 0 0 22
9/17 1300 57 62 0 0 21
9/17 1200 55 67 0 0 23
9/17 1100 52 76 0 0 23
9/17 1000 48 86 0 0 23
9/17 900 45 97 0 0 22
9/17 800 41 99 0 0 23
9/17 700 38 98 0 0 23
9/17 600 37 99 0 0 23
9/17 500 38 98 0 0 24

9/17 400 40 98 0 .6 23
9/17 300 39 98 0 .6 23
9/17 200 40 97 0 .6 23
9/17 100 43 97 0 .6 23
9/17 0 43 98 0 .6 23
9/16 2300 43 98 0 .6 23
9/16 2200 44 98 0 .6 23
9/16 2100 44 98 .01 .6 22
9/16 2000 44 98 .01 .59 23
9/16 1900 44 98 0 .58 22
9/16 1800 45 98 .01 .58 22
9/16 1700 45 97 .04 .57 22
9/16 1600 45 97 .07 .53 22
9/16 1500 46 92 .02 .46 23
9/16 1400 47 97 .04 .44 22
9/16 1300 46 96 .04 .4 22
9/16 1200 46 95 .07 .36 22
9/16 1100 47 94 0 .29 22
9/16 1000 45 97 .02 .29 23
9/16 900 44 97 .12 .27 22
9/16 800 45 97 .05 .15 23
9/16 700 45 97 .07 .1 24
9/16 600 44 98 .03 .03 23
9/16 500 44 98 0 0 22

9/16 400 45 97 .01 .12 22
9/16 300 45 98 0 .11 24
9/16 200 45 97 0 .11 24
9/16 100 45 97 0 .11 23
9/16 0 45 98 0 .11 22
9/15 2300 46 98 0 .11 22
9/15 2200 46 97 .01 .11 22
9/15 2100 46 96 .01 .1 23
9/15 2000 46 97 .04 .09 22
9/15 1900 47 95 .03 .05 22
9/15 1800 48 94 0 .02 23
9/15 1700 49 92 .02 .02 23
9/15 1600 50 88 0 0 22
9/15 1500 50 89 0 0 22
9/15 1400 51 86 0 0 22
9/15 1300 53 78 0 0 22
9/15 1200 53 73 0 0 22
9/15 1100 52 73 0 0 23
9/15 1000 50 83 0 0 22
9/15 900 49 90 0 0 23
9/15 800 47 95 0 0 23
9/15 700 44 97 0 0 24
9/15 600 43 97 0 0 24
9/15 500 43 97 0 0 24

9/15 400 43 97 0 .06 23
9/15 300 43 96 0 .06 23
9/15 200 44 97 0 .06 23
9/15 100 45 97 0 .06 23
9/15 0 45 97 0 .06 23
9/14 2300 45 96 0 .06 23
9/14 2200 46 95 .01 .06 22
9/14 2100 48 95 .04 .05 23
9/14 2000 48 94 0 .01 23
9/14 1900 49 92 0 .01 22
9/14 1800 51 89 0 .01 22
9/14 1700 53 87 0 .01 21
9/14 1600 53 82 0 .01 22
9/14 1500 54 77 0 .01 23
9/14 1400 55 72 0 .01 21
9/14 1300 54 70 0 .01 24
9/14 1200 54 73 .01 .01 22
9/14 1100 52 79 0 0 22
9/14 1000 51 91 0 0 22
9/14 900 49 94 0 0 23
9/14 800 47 97 0 0 23
9/14 700 45 98 0 0 23
9/14 600 44 98 0 0 23
9/14 500 45 98 0 0 23

9/14 400 44 98 0 .21 23
9/14 300 44 98 0 .21 23
9/14 200 44 98 0 .21 24
9/14 100 44 98 0 .21 23
9/14 0 44 97 0 .21 24
9/13 2300 45 97 .01 .21 23
9/13 2200 46 98 .02 .2 22
9/13 2100 46 97 .02 .18 22
9/13 2000 45 96 0 .16 24
9/13 1900 46 95 .01 .16 24
9/13 1800 47 96 0 .15 24
9/13 1700 49 95 0 .15 23
9/13 1600 49 95 0 .15 22
9/13 1500 50 92 .01 .15 23
9/13 1400 51 90 0 .14 23
9/13 1300 51 93 0 .14 23
9/13 1200 49 95 .01 .14 21
9/13 1100 48 95 .02 .13 23
9/13 1000 47 96 .02 .11 23
9/13 900 47 96 .01 .09 23
9/13 800 47 97 .03 .08 23
9/13 700 45 97 .02 .05 23
9/13 600 45 98 .02 .03 22
9/13 500 45 98 .01 .01 23

9/13 400 45 98 .01 .27 23
9/13 300 45 98 0 .26 22
9/13 200 45 97 0 .26 23
9/13 100 45 98 0 .26 23
9/13 0 45 97 0 .26 23
9/12 2300 44 98 0 .26 23
9/12 2200 44 98 0 .26 23
9/12 2100 44 97 0 .26 23
9/12 2000 43 97 0 .26 23
9/12 1900 46 96 0 .26 23
9/12 1800 48 95 .01 .26 23
9/12 1700 49 95 0 .25 23
9/12 1600 49 95 .01 .25 23
9/12 1500 51 93 0 .24 23
9/12 1400 50 94 .04 .24 23
9/12 1300 51 93 0 .2 21
9/12 1200 51 93 0 .2 23
9/12 1100 49 95 .02 .2 23
9/12 1000 47 97 .06 .18 24
9/12 900 47 96 .04 .12 22
9/12 800 46 96 .02 .08 22
9/12 700 46 98 .01 .06 23
9/12 600 46 98 .01 .05 23
9/12 500 46 98 .04 .04 23

9/12 400 46 97 0 .34 23
9/12 300 46 98 .03 .34 23
9/12 200 46 98 0 .31 24
9/12 100 46 97 .02 .31 23
9/12 0 46 97 .01 .29 23
9/11 2300 46 98 0 .28 23
9/11 2200 46 98 0 .28 23
9/11 2100 47 98 .01 .28 22
9/11 2000 47 98 0 .27 24
9/11 1900 47 97 0 .27 23
9/11 1800 48 96 0 .27 23
9/11 1700 48 95 0 .27 23
9/11 1600 48 95 .01 .27 23
9/11 1500 50 94 0 .26 23
9/11 1400 50 95 .03 .26 23
9/11 1300 49 96 0 .23 23
9/11 1200 49 96 .06 .23 23
9/11 1100 48 98 .08 .17 23
9/11 1000 48 97 .04 .09 23
9/11 900 48 97 .03 .05 22
9/11 800 47 97 .01 .02 24
9/11 700 47 97 .01 .01 23
9/11 600 47 98 0 0 23
9/11 500 47 98 0 0 23

9/11 400 47 98 0 .45 23
9/11 300 47 98 0 .45 23
9/11 200 47 98 0 .45 23
9/11 100 47 98 .02 .45 24
9/11 0 47 98 .01 .43 23
9/10 2300 47 98 .07 .42 24
9/10 2200 48 98 0 .35 24
9/10 2100 48 98 .04 .35 24
9/10 2000 49 98 .05 .31 23
9/10 1900 49 97 .07 .26 24
9/10 1800 49 97 0 .19 24
9/10 1700 50 97 .02 .19 23
9/10 1600 50 96 .04 .17 23
9/10 1500 50 95 .03 .13 23
9/10 1400 52 92 .02 .1 24
9/10 1300 51 90 0 .08 22
9/10 1200 51 90 0 .08 23
9/10 1100 50 91 0 .08 23
9/10 1000 50 96 .01 .08 23
9/10 900 48 96 0 .07 23
9/10 800 48 97 0 .07 23
9/10 700 48 97 0 .07 23
9/10 600 47 97 .03 .07 23
9/10 500 48 98 .04 .04 23

MM/DD Hour
PST
Temp
F
5470'
Temp
F
4350'
Temp
F
3100'
RH
%
3100'
RH
%
5470'
Wind
Avg
5520'
Wind
Max
5520'
Wind
Dir.
5520'
Hour
Prec.
3100'
Total
Prec.
3100'
24 Hr
Snow
3100'
Total
Snow
3100'
24 Hr
Snow
4350'
Total
Snow
4350'
Inter
Snow
5470'