2011 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 ------------------------------------------------------------------------------------ 11 1 32.9 26.0 29.8 0.0 1091 0 42.5 26 4.7 14 0 10 19 0 11 2 30.8 21.4 26.6 0.0 1075 0 43.8 2 6.5 24 0 13 21 0 11 3 37.3 24.4 30.6 0.0 1066 0 55.9 26 10.4 1 0 8 26 0 11 4 46.8 32.9 39.5 0.0 766 0 57.3 28 27.5 19 0 0 10 0 11 5 56.8 41.0 48.6 0.0 511 4 74.4 31 31.8 11 0 0 1 0 11 6 61.7 47.7 54.5 0.0 321 5 73.2 7 41.6 10 0 0 0 0 11 7 63.0 50.5 56.2 0.0 289 15 76.5 11 46.7 30 0 0 0 0 11 8 57.2 49.5 53.1 0.0 370 0 67.8 8 43.5 13 0 0 0 0 11 9 54.5 45.0 49.5 0.0 467 0 65.2 12 38.3 24 0 0 0 0 11 10 46.5 39.5 42.8 0.0 689 0 55.9 1 32.4 2 0 0 0 0 11 11 34.0 26.5 30.7 0.0 1028 0 42.9 1 12.1 20 0 5 22 0 11 12 37.0 30.9 34.2 0.0 954 0 43.6 22 20.0 30 0 2 17 0 ------------------------------------------------------------------------------------ 46.7 36.4 41.4 0.0 8625 24 76.5 JUL 4.7 JAN 0 38 116 0 LOWEST Wind Chill Temp: -9.8 Jan. 15th @ 0001 (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 --------------------------------------------- 11 1 6.53 0.80 0.94 22 17 16 0 11 2 6.56 1.27 1.35 9 16 11 2 11 3 2.07 -3.10 0.79 30 7 4 0 11 4 2.70 -1.36 0.51 8 17 12 0 11 5 2.88 -1.67 0.61 12 20 7 0 11 6 3.62 -0.08 1.18 14 15 8 1 11 7 3.84 -1.23 0.57 18 18 12 0 11 8 10.93 4.12 1.51 20 25 19 2 11 9 9.75 -2.34 1.07 21 24 18 2 11 10 9.31 -3.07 1.07 25 27 21 1 11 11 8.76 0.18 1.24 12 21 17 2 11 12 8.61 -0.56 1.13 1 28 19 1 --------------------------------------------- 75.56 -7.04 1.51 AUG 235 164 11 Highest Rain Rate: 1.45" per hour on Sept. 4th @ 0715 Snowfall (in) DEP. MAX FROM OBS. YR MO TOTAL NORM DAY DATE --------------------------------------------- 11 1 17.4 -- 6.6 19 11 2 29.8 -- 8.5 19 11 3 3.6 -- 1.7 13 11 4 1.5 -- 1.5 11 11 5 0.0 -- -- -- 11 6 0.0 -- -- -- 11 7 0.0 -- -- -- 11 8 0.0 -- -- -- 11 9 0.0 -- -- -- 11 10 0.0 -- -- -- 11 11 63.8 -- 15.8 23 11 12 20.1 -- 3.3 27 --------------------------------------------- 136.2 15.8 NOV WIND SPEED (mph) DOM WIND YR MO AVG. HI DATE DIR RUN (mi) ---------------------------------------- 11 1 2.3 53.0 12 SSE* 1691.61 11 2 2.3 57.0 27 SSE 1578.58 11 3 2.0 49.0 2 E 1481.88 11 4 0.8 21.0 15 SSE 566.31 11 5 0.9 21.0 15 W 688.29 11 6 0.6 17.0 1 NW 411.99 11 7 0.8 18.0 11 SSE 605.08 11 8 0.6 21.0 20 SSE 442.84 11 9 1.1 29.0 23 SSE 774.00 11 10 1.0 25.0 25 SSE 712.17 11 11 1.1 26.0 19 SSE 805.53 11 12 1.2 35.0 26 SSE* 883.07 ---------------------------------------- 1.2 57.0 FEB SSE 10,641.43 Small Wind Cups in use in 2011 *Wind Direction Vane was frozen on Jan. 28 and for the majority of Dec. 27 - Dec. 31.