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 ------------------------------------------------------------------------------------ 17 1 44.1 31.8 37.5 -3.8 848 0 53.9 27 19.9 5 0 0 14 0 17 2 46.5 36.1 40.9 -3.4 627 0 59.9 13 29.8 25 0 0 3 0 17 3 51.5 40.9 45.6 -1.0 599 0 57.6 23 31.7 19 0 0 1 0 17 4 57.6 43.7 49.8 -0.6 455 0 68.1 21 35.4 11 0 0 0 0 17 5 67.7 48.2 57.3 1.2 287 48 86.4 28 40.6 2 0 0 0 0 17 6 71.9 53.2 62.0 0.6 158 68 95.2 25 43.7 5 1 0 0 0 17 7 78.5 55.0 65.9 0.6 96 123 86.3 22 49.0 4 0 0 0 0 17 8 81.4 57.6 68.7 3.0 64 180 92.8 4 50.3 15 3 0 0 0 17 9 74.2 54.0 63.0 2.2 153 94 89.5 2 45.8 15 0 0 0 0 17 10 61.3 43.9 51.3 -2.2 428 2 72.4 5 35.9 31 0 0 0 0 17 11 50.8 41.3 45.7 -0.6 579 0 64.7 22 29.3 4 0 0 2 0 17 12 45.7 34.6 39.4 -2.2 792 0 57.1 7 27.6 23 0 0 11 0 ------------------------------------------------------------------------------------ 61.1 45.1 52.4 -0.5 5086 515 95.2 JUN 19.9 JAN 4 0 31 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 17 1 4.01 -1.34 1.50 17 9 6 2 17 2 8.17 4.14 1.78 15 20 14 2 17 3 7.03 3.26 0.84 17 22 15 0 17 4 4.34 1.83 0.96 12 23 11 0 17 5 2.66 0.82 0.67 4 10 7 0 17 6 0.98 -0.61 0.58 15 4 2 0 17 7 0.05 -0.80 0.05 27 1 0 0 17 8 0.20 -1.02 0.16 31 2 1 0 17 9 0.88 -1.06 0.42 19 6 3 0 17 10 3.33 0.08 1.05 18 12 8 1 17 11 8.02 2.37 1.16 21 23 19 1 17 12 4.51 -1.49 1.08 19 15 10 2 --------------------------------------------- 44.18 6.18 1.78 FEB 147 96 8 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 17 1 0.7 28.0 9 N 17 2 1.0 33.0 10 S 17 3 1.9 29.0 10 S 17 4 1.6 30.0 7 S 17 5 1.0 24.0 5 N 17 6 1.1 22.0 8 SSW 17 7 0.8 16.0 2 N 17 8 0.7 15.0 1 N 17 9 0.6 20.0 17 N 17 10 0.9 33.0 18 N 17 11 1.5 37.0 13 S 17 12 1.0 34.0 17 NNE --------------------------------- 1.1 37.0 NOV N