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 ------------------------------------------------------------------------------------ 13 1 43.1 34.2 38.2 -3.1 832 0 52.4 8 23.1 13 0 0 15 0 13 2 48.3 39.4 43.4 -0.9 604 0 56.6 15 33.9 20 0 0 0 0 13 3 54.6 39.5 46.3 -0.3 580 1 70.6 31 30.4 4 0 0 3 0 13 4 56.8 42.7 49.2 -1.2 476 3 73.7 25 35.0 23 0 0 0 0 13 5 67.4 48.9 57.1 1.0 275 30 85.5 6 33.9 1 0 0 0 0 13 6 73.0 54.2 62.7 1.3 136 68 92.7 30 47.0 10 1 0 0 0 13 7 77.8 55.6 66.0 0.7 94 123 89.0 1 48.3 13 0 0 0 0 13 8 77.7 58.1 66.9 1.2 62 123 87.2 6 51.9 21 0 0 0 0 13 9 70.0 55.1 61.3 0.5 162 51 93.0 11 44.3 26 1 0 0 0 13 10 57.7 43.7 49.7 -3.8 476 2 73.1 6 34.3 29 0 0 0 0 13 11 51.4 39.5 45.0 -1.3 601 0 60.1 1 26.4 21 0 0 5 0 13 12 42.6 33.4 38.1 -3.5 834 0 53.6 1 15.8 8 0 1 11 0 ------------------------------------------------------------------------------------ 60.1 45.4 52.0 -0.8 5132 400 93.0 SEP 15.8 DEC 2 1 34 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 13 1 4.85 -0.50 1.21 9 17 13 1 13 2 1.95 -2.08 0.33 27 17 7 0 13 3 2.88 -0.89 0.65 6 16 7 0 13 4 4.89 2.38 1.02 7 17 11 1 13 5 1.52 -0.32 0.41 21 11 4 0 13 6 2.13 0.54 1.01 20 9 5 1 13 7 0.07 -0.78 0.07 17 1 0 0 13 8 1.15 -0.07 0.63 29 6 3 0 13 9 4.75 2.81 1.26 28 13 9 2 13 10 0.93 -2.32 0.25 2 10 4 0 13 11 2.90 -2.75 0.68 7 15 8 0 13 12 1.38 -4.62 0.31 20 10 6 0 --------------------------------------------- 29.40 -8.60 1.26 SEP 142 77 5 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 13 1 1.2 31.0 8 S 13 2 2.0 26.0 22 S 13 3 2.0 31.0 20 S 13 4 2.0 24.0 6 S 13 5 1.6 29.0 13 S 13 6 1.4 18.0 4 S 13 7 1.3 18.0 15 N 13 8 1.1 16.0 11 S 13 9 1.5 27.0 22 S 13 10 0.8 24.0 28 S 13 11 1.2 36.0 2 S 13 12 1.0 26.0 20 S --------------------------------- 1.4 36.0 NOV S