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 ------------------------------------------------------------------------------------ 20 1 48.3 39.7 43.9 2.6 655 0 58.6 3 27.1 14 0 0 2 0 20 2 49.4 36.8 42.5 -1.8 654 0 58.0 27 29.4 18 0 0 5 0 20 3 51.7 37.2 43.7 -2.9 661 0 62.9 19 29.2 9 0 0 4 0 20 4 61.6 42.2 51.5 1.1 411 5 71.8 16 33.0 4 0 0 0 0 20 5 68.9 49.4 58.3 2.2 256 47 88.5 10 38.3 4 0 0 0 0 20 6 70.6 52.6 60.6 -0.8 180 48 84.2 23 46.9 1 0 0 0 0 20 7 76.8 55.5 65.7 0.4 101 124 96.2 27 49.1 14 2 0 0 0 20 8 78.7 55.5 66.3 0.6 95 135 97.8 16 48.6 30 2 0 0 0 20 9 74.7 55.3 63.9 3.1 119 87 94.5 10 49.4 28 1 0 0 0 20 10 60.7 47.0 53.0 -0.5 378 6 77.5 2 30.9 25 0 0 1 0 20 11 51.8 40.7 45.9 -0.4 572 0 66.3 2 29.1 9 0 0 2 0 20 12 49.9 38.3 43.5 1.9 668 0 61.4 2 28.4 24 0 0 3 0 ------------------------------------------------------------------------------------ 62.0 45.9 53.3 0.4 4749 452 97.8 AUG 27.1 JAN 5 0 17 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 20 1 8.13 2.78 0.85 21 28 22 0 20 2 4.18 0.15 1.44 5 14 9 1 20 3 3.35 -0.42 0.60 6 16 11 0 20 4 1.97 -0.54 0.59 22 9 6 0 20 5 3.70 1.86 1.12 30 16 9 1 20 6 2.57 0.98 0.60 13 14 7 0 20 7 0.16 -0.69 0.10 12 2 0 0 20 8 0.45 -0.77 0.30 6 6 1 0 20 9 2.29 0.35 0.56 25 7 7 0 20 10 2.93 -0.32 0.48 13 13 9 0 20 11 5.69 0.04 0.94 17 18 13 0 20 12 5.55 -0.45 1.84 21 18 13 1 --------------------------------------------- 40.97 2.97 1.84 DEC 161 107 3 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 20 1 2.0 28.0 10 S 20 2 1.3 39.0 7 SSW 20 3 1.7 27.0 3 SSW 20 4 0.9 30.0 25 SSW 20 5 0.5 23.0 2 SSW 20 6 0.5 20.0 20 SSW 20 7 0.4 19.0 2 SSW 20 8 0.3 21.0 21 N 20 9 0.3 24.0 26 SSW 20 10 0.5 31.0 13 SSW 20 11 1.2 29.0 17 SSW 20 12 1.1 30.0 18 S --------------------------------- 0.9 39.0 FEB SSW