2017 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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17 1 35.8 28.5 32.2 0.0 1016 0 45.2 26 16.5 11 0 11 19 0
17 2 37.7 26.1 31.9 0.0 928 0 53.3 14 16.8 8 0 3 24 0
17 3 34.0 24.9 29.6 0.0 1095 0 45.6 22 9.7 4 0 12 25 0
17 4 52.7 36.4 44.5 0.0 614 0 61.5 23 30.9 7 0 0 3 0
17 5 57.2 43.7 50.4 0.0 453 1 68.7 16 35.1 10 0 0 0 0
17 6 59.8 48.2 53.3 0.0 352 2 73.0 7 39.6 4 0 0 0 0
17 7 60.5 51.4 55.5 0.0 296 2 72.2 6 45.1 5 0 0 0 0
17 8 63.0 51.7 57.1 0.0 266 20 78.3 9 48.2 29 0 0 0 0
17 9 56.5 47.6 51.7 0.0 398 0 66.8 5 40.2 3 0 0 0 0
17 10 47.3 38.6 42.9 0.0 684 0 55.2 1 31.1 25 0 0 1 0
17 11 34.9 26.2 31.0 0.0 1021 0 47.5 1 13.7 19 0 10 24 0
17 12 36.8 29.6 33.2 0.0 986 0 54.2 8 7.0 30 0 10 16 0
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48.1 37.8 42.8 0.0 8109 25 78.3 AUG 7.0 DEC 0 46 112 0
LOWEST Wind Chill Temp: -1.0 on March 4th @ 2252 (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
---------------------------------------------
17 1 6.71 0.15 1.52 16 15 13 2
17 2 3.99 -0.98 1.13 11 9 7 1
17 3 4.78+#-0.27 0.99 31 16 14 0
17 4 3.13 -1.18 0.77 27 14 9 0
17 5 4.54 0.18 0.71 21 18 14 0
17 6 4.60 0.81 0.78 16 26 15 0
17 7 6.93 1.47 0.85 2 21 14 0
17 8 9.61 2.75 1.32 17 19 16 2
17 9 8.84 -2.74 0.93 9 21 18 0
17 10 10.48 -1.05 2.04 27 24 19 2
17 11 2.33+*-5.97 0.67 29 8 7 0
17 12 7.13 -0.86 1.32 11 17 15 1
---------------------------------------------
73.07+ -7.69 2.04 OCT 208 161 8
#Mar. 2: There is much uncertainty as to what the Precipitation was because the blowing and drifting snow
up until 9 AM prevented capturing most of the snow (whatever amount it was) in the Rain Collector.
*Nov. 21: 1.5" Snowfall only registered .01" which is too low.
HIGHEST Rain Rate: 1.24" per hour on August 14th @ 0340
Snowfall (in) - Current through 2020 hrs. of day before date shown at top
DEP. MAX
FROM OBS.
YR MO TOTAL NORM DAY DATE
---------------------------------------------
17 1 4.1 -- 1.4 23
17 2 7.4 -- 1.9 10 & 25
17 3 42.6* -- 10.0 13
17 4 TRCE -- TRCE 2 & 18
17 5 0.0 -- -- --
17 6 0.0 -- -- --
17 7 0.0 -- -- --
17 8 0.0 -- -- --
17 9 0.0 -- -- --
17 10 0.0 -- -- --
17 11 20.9 -- 6.5 17
17 12 1.5 -- 1.0 2
---------------------------------------------
76.5* 10.0 MAR
* There is much uncertainty as to what the Snowfall was on March 2 because of the blowing and drifting snow
up until 9 AM.
WIND SPEED (mph)
DOM WIND
YR MO AVG. HI DATE DIR RUN (mi)
----------------------------------------
17 1 1.7 56.0 6 SSE 1,276.96
17 2 1.3 31.0 6 W 895.62
17 3 1.4 43.0 2 E 1,096.83
17 4 0.8 30.0 13 E 543.82
17 5 0.7 26.0 2 NW 549.82
17 6 0.3 20.0 4 SSE 196.05
17 7 0.2 18.0 30 SSE 147.07
17 8 0.4 16.0 5 SSE 314.38
17 9 0.5 18.0 6 SSE 368.54
17 10 0.6 30.0 18 SSE 463.39
17 11 0.4 43.0 13 E 309.99
17 12 0.7 29.0 28 SSE* 498.73
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0.8 56.0 JAN SSE 6,661.20
Small Wind Cups in use in 2017
*Wind Vane was frozen on Dec. 19th, and on Dec. 22nd, 23rd, 24th, 25th, 26th, 27th
