ANNUAL CLIMATOLOGICAL SUMMARY NAME: henwood CITY: Seattle STATE: WA ELEV: 168 ft LAT: 47° 40' 51" N LONG: 122° 17' 53" 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 ------------------------------------------------------------------------------------ 21 1 48.5 38.6 43.4 2.1 670 0 56.6 12 28.4 23 0 0 2 0 21 2 45.8 36.3 40.7 -3.6 679 0 52.6 21 26.3 12 0 1 6 0 21 3 53.4 36.8 44.4 -2.2 638 0 62.2 13 30.6 30 0 0 6 0 21 4 63.3 42.1 52.3 1.9 403 23 81.8 18 32.4 11 0 0 0 0 21 5 66.3 47.6 56.2 0.1 297 24 80.0 31 41.6 10 0 0 0 0 21 6 78.5 56.5 67.0 5.6 115 175 110.3 28 45.0 7 4 0 0 0 21 7 80.4 57.3 68.0 2.7 69 161 92.3 30 52.2 23 2 0 0 0 21 8 78.3 57.2 66.9 1.2 86 146 95.7 12 49.6 28 3 0 0 0 21 9 71.4 52.9 61.0 0.2 172 51 81.8 8 44.2 16 0 0 0 0 21 10 58.9 45.6 51.7 -1.8 414 1 69.2 21 35.7 30 0 0 0 0 21 11 53.3 42.7 47.8 1.5 516 0 61.9 15 30.3 17 0 0 1 0 21 12 42.1 34.3 38.3 -3.3 828 0 57.3 1 16.0 27 0 4 7 0 ------------------------------------------------------------------------------------ 61.8 45.7 53.2 0.4 4886 580 110.3 JUN 16.0 DEC 9 5 22 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 21 1 7.68 2.33 1.62 12 21 15 2 21 2 4.06 0.03 0.89 15 21 10 0 21 3 3.34 -0.43 0.52 25 13 10 0 21 4 0.82 -1.69 0.28 24 7 3 0 21 5 1.26 -0.58 0.44 3 7 4 0 21 6 1.82 0.23 0.71 13 7 4 0 21 7 0.00 -0.85 0.00 1 0 0 0 21 8 0.15 -1.07 0.11 8 2 1 0 21 9 2.74 0.80 0.71 18 10 5 0 21 10 5.54 2.29 1.99 28 22 10 1 21 11 7.56 1.91 0.79 11 24 18 0 21 12 4.45 -1.55 0.64 18 21 14 0 --------------------------------------------- 39.42 1.42 1.99 OCT 155 94 3 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 21 1 0.8 35.0 12 S 21 2 1.3 33.0 21 SSW 21 3 1.0 31.0 5 SSW 21 4 0.9 25.0 7 SSW 21 5 0.7 27.0 18 SSW 21 6 0.5 19.0 5 SSW 21 7 0.2 15.0 7 NNE 21 8 0.3 19.0 7 SSW 21 9 0.4 23.0 27 SSW 21 10 0.7 31.0 24 SSW 21 11 1.4 40.0 9 S 21 12 1.2 31.0 11 S --------------------------------- 0.8 40.0 NOV SSW