2009 ANNUAL CLIMATOLOGICAL SUMMARY
NAME: 3270 Nowell CITY: West Juneau STATE: Alaska
ELEV: 97 ft LAT: 58° 17' 40" N LONG: 134° 25' 52" W
TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=90 <=32 <=32 <=0
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09 1 30.6 22.3 26.7 0.0 1189 0 51.7 19 -3.7 7 0 15 20 2
09 2 33.2 23.2 28.4 0.0 1026 0 38.0 7 9.9 14 0 9 25 0
09 3 35.0 25.2 30.4 0.0 1072 0 41.9 23 9.2 8 0 5 28 0
09 4 47.1 32.3 39.0 0.0 781 0 63.7 28 20.2 3 0 0 9 0
09 5 58.0 38.3 48.0 0.0 529 1 71.8 2 32.7 5 0 0 0 0
09 6 63.0 46.9 54.8 0.0 324 19 78.5 5 38.6 1 0 0 0 0
09 7 69.9 52.2 60.9 0.0 194 66 85.1 5 46.5 3 0 0 0 0
09 8 61.3 51.2 55.7 0.0 298 10 81.1 4 44.2 31 0 0 0 0
09 9 54.9 45.4 49.8 0.0 460 2 71.3 5 32.4 29 0 0 0 0
09 10 47.1 39.3 43.3 0.0 674 0 53.8 6 32.4 30 0 0 0 0
09 11 38.6 32.4 35.6 0.0 883 0 48.5 4 24.4 18 0 1 12 0
09 12 32.8 25.6 29.0 0.0 1116 0 40.9 18 14.4 22 0 14 23 0
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47.7 36.3 41.9 0.0 8544 98 85.1 JUL -3.7 JAN 0 44 117 2
LOWEST Wind Chill Temp: -10 on Jan. 7th (based on 10 minute Average Wind Speed)
PRECIPITATION (in)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .01 .1 1
---------------------------------------------
09 1 9.26 3.53 1.50 29 22 19 3
09 2 3.68 -1.61 0.96 6 10 6 0
09 3 4.86 -0.31 0.99 12 18 9 0
09 4 2.97 -1.09 0.46 4 16 9 0
09 5 3.10 -1.45 0.76 29 12 8 0
09 6 2.66 -1.04 0.56 22 16 8 0
09 7 3.00 -2.07 0.80 22 10 8 0
09 8 7.52 0.71 1.46 17 19 14 2
09 9 7.65 -4.44 1.03 30 23 17 1
09 10 6.01 -6.37 1.34 5 22 16 1
09 11 7.83 -0.75 1.26 14 27 20 1
09 12 3.28 -5.89 0.72 2 12 9 0
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61.82 -20.78 1.50 JAN 207 143 8
Snowfall (in)
DEP. MAX
FROM OBS.
YR MO TOTAL NORM DAY DATE
---------------------------------------------
09 1 67.4 -- 10.1 9
09 2 34.5 -- 8.0 9
09 3 40.1 -- 6.4 6,10
09 4 3.4 -- 1.9 1
09 5 0.0 -- -- --
09 6 0.0 -- -- --
09 7 0.0 -- -- --
09 8 0.0 -- -- --
09 9 0.0 -- -- --
09 10 0.2 -- 0.2 31
09 11 32.4 -- 10.2 18
09 12 9.3 -- 3.6 23
---------------------------------------------
187.3 10.2 NOV
WIND SPEED (mph)
DOM WIND
YR MO AVG. HI DATE DIR RUN (mi)
----------------------------------------
09 1 1.6 32.0 23 SSE 1154.99+*
09 2 1.2 29.0 22 WSW 821.55
09 3 2.0 37.0 18 SSE 1465.97
09 4 0.9 18.0 3 SSE 646.51
09 5 1.2 29.0 16 E 899.14
09 6 0.7 20.0 6 SSE 467.77
09 7 1.5 24.0 7 SSE 1093.89
09 8 1.0 20.0 29 SSE 767.05
09 9 1.1 23.0 5 SSE 807.55
09 10 1.4 39.0 13 SSE 1003.12
09 11 1.5 35.0 5 SSE 1047.45
09 12 1.1 30.0 30 SSE 793.43
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1.3 39.0 OCT SSE 10,968.42+* miles
Small Wind Cups in use in 2009
* 1/30: From 1655 to Midnight the Anemometer was impeded, don't think there was much
more Wind Run than shown.
1/31: Wind Vane Frozen until 2050, Anemometer impeded until 2050. Wind Run however
was probably not that much more because
it was a very still day until the latter part of the evening.
