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 ------------------------------------------------------------------------------------ 18 1 49.3 40.0 44.5 3.2 637 0 64.4 15 29.6 1 0 0 2 0 18 2 45.4 36.3 40.8 -3.5 679 0 56.7 4 23.2 21 0 0 10 0 18 3 53.6 37.2 45.3 -1.3 613 2 71.7 12 30.9 10 0 0 2 0 18 4 58.5 43.4 50.5 0.1 445 11 82.5 26 34.4 2 0 0 0 0 18 5 71.0 50.6 59.6 3.5 210 44 87.5 14 42.3 2 0 0 0 0 18 6 71.2 52.7 61.1 -0.3 172 55 87.5 18 46.5 5 0 0 0 0 18 7 82.4 57.6 69.5 4.2 64 203 93.6 26 49.1 3 7 0 0 0 18 8 78.8 57.4 67.0 1.3 81 142 93.3 8 52.1 28 3 0 0 0 18 9 70.4 52.3 60.3 -0.5 176 35 86.8 6 42.7 18 0 0 0 0 18 10 60.9 45.3 52.1 -1.4 405 4 75.4 17 38.9 14 0 0 0 0 18 11 53.4 42.1 47.2 0.9 534 0 61.6 1 32.2 19 0 0 0 0 18 12 47.6 37.9 42.4 0.8 701 0 56.4 14 26.4 7 0 0 5 0 ------------------------------------------------------------------------------------ 62.0 46.1 53.4 0.6 4717 495 93.6 JUL 23.2 FEB 10 0 19 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 18 1 8.37 3.02 1.06 18 24 16 1 18 2 3.43 -0.60 0.57 28 18 12 0 18 3 2.34 -1.43 0.49 8 12 6 0 18 4 5.71 3.20 1.60 14 16 13 1 18 5 0.19 -1.65 0.11 19 4 1 0 18 6 1.62 0.03 0.75 13 12 4 0 18 7 0.01 -0.84 0.01 1 0 0 0 18 8 0.27 -0.95 0.14 26 3 1 0 18 9 1.02 -0.92 0.27 14 11 4 0 18 10 3.31 0.06 0.97 27 11 8 0 18 11 3.77 -1.88 1.13 26 16 9 1 18 12 5.21 -0.79 0.69 29 22 12 0 --------------------------------------------- 35.25 -2.75 1.60 APR 149 86 3 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 18 1 1.7 33.0 21 S 18 2 2.0 34.0 17 S 18 3 1.3 33.0 8 SSW 18 4 1.7 34.0 13 SSW 18 5 0.7 20.0 9 N 18 6 0.8 21.0 5 SSW 18 7 0.7 21.0 6 N 18 8 0.6 17.0 11 SSW 18 9 0.8 24.0 16 S 18 10 0.5 26.0 26 S 18 11 0.9 28.0 1 S 18 12 1.3 40.0 20 S --------------------------------- 1.1 40.0 DEC SSW