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 ------------------------------------------------------------------------------------ 15 1 50.6 39.5 44.5 3.2 637 0 65.4 25 25.8 1 0 0 5 0 15 2 54.4 42.0 48.1 3.8 474 0 61.9 17 31.5 23 0 0 1 0 15 3 58.6 42.5 49.8 3.2 471 1 72.4 26 28.1 4 0 0 3 0 15 4 60.6 42.0 50.4 0.0 443 6 78.3 27 35.1 5 0 0 0 0 15 5 68.3 50.0 58.4 2.3 242 38 80.8 29 40.7 3 0 0 0 0 15 6 78.2 55.1 66.4 5.0 101 142 91.1 27 48.1 13 1 0 0 0 15 7 81.7 59.0 69.7 4.4 51 196 95.8 19 54.0 27 7 0 0 0 15 8 78.6 57.5 67.1 1.4 73 138 90.7 1 49.0 25 2 0 0 0 15 9 68.4 51.0 59.1 -1.7 207 30 81.4 12 41.7 27 0 0 0 0 15 10 63.8 50.1 56.0 2.5 285 6 74.7 5 43.8 23 0 0 0 0 15 11 49.7 37.4 43.3 -3.0 651 0 58.7 6 26.5 28 0 0 10 0 15 12 46.5 39.0 42.4 0.8 701 0 58.9 8 25.7 31 0 0 3 0 ------------------------------------------------------------------------------------ 63.3 47.1 54.7 1.8 4334 558 95.8 JUL 25.7 DEC 10 0 22 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 15 1 2.20 -3.15 0.64 17 12 5 0 15 2 3.82 -0.21 0.69 27 16 9 0 15 3 4.64 0.87 2.37 15 14 7 1 15 4 1.90 -0.61 0.55 13 11 7 0 15 5 0.78 -1.06 0.46 5 4 2 0 15 6 0.10 -1.49 0.07 1 2 0 0 15 7 0.31 -0.54 0.12 25 3 1 0 15 8 2.61 1.39 1.21 29 8 3 1 15 9 1.24 -0.70 0.48 17 9 5 0 15 10 3.19 -0.06 0.89 10 12 8 0 15 11 5.78 0.13 1.34 14 21 13 1 15 12 9.67 3.67 1.32 8 23 19 2 --------------------------------------------- 36.24 -1.76 2.37 MAR 135 79 5 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 15 1 1.0 33.0 18 S 15 2 1.1 29.0 7 S 15 3 1.6 29.0 21 S 15 4 1.4 22.0 24 S 15 5 1.0 20.0 4 S 15 6 1.3 19.0 18 N 15 7 1.2 18.0 17 N 15 8 1.3 41.0 29 S 15 9 1.0 26.0 20 S 15 10 1.0 27.0 10 S 15 11 1.3 33.0 17 S 15 12 1.7 32.0 10 S --------------------------------- 1.3 41.0 AUG S