MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2010 NAME: henwood CITY: Seattle STATE: WA ELEV: 0 ft LAT: 47° 40' 51" N LONG: 122° 17' 53" W TEMPERATURE (°F), RAIN (in), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 42.6 48.2 1:15p 37.7 6:45a 22.4 0.0 0.00 0.3 8.0 2:00p NNE 2 41.8 46.4 2:30p 38.8 7:45a 23.2 0.0 0.00 1.5 11.0 11:30p S 3 42.1 48.0 2:30p 35.8 10:45p 22.9 0.0 0.00 1.1 10.0 2:00a N 4 38.4 45.7 2:30p 32.2 2:30a 26.6 0.0 0.00 1.7 11.0 12:45p N 5 41.9 50.5 1:30p 37.3 7:45a 23.1 0.0 0.00 0.2 6.0 12:45p NW 6 42.9 48.3 1:00p 36.8 8:15a 22.1 0.0 0.00 0.3 10.0 1:00p N 7 47.9 54.5 2:45p 44.1 12:15a 17.1 0.0 0.55 0.3 12.0 4:00p NE 8 49.6 54.6 2:45p 45.4 8:30a 15.4 0.0 0.90 4.6 23.0 3:15p S 9 47.2 51.0 1:15p 44.1 10:45p 17.8 0.0 0.66 4.2 26.0 11:00a S 10 46.0 48.4 3:15p 43.3 12:00m 19.0 0.0 0.01 2.6 18.0 12:15a SSW 11 42.5 48.6 12:00m 39.5 4:15a 22.5 0.0 1.04 0.3 7.0 11:30p ESE 12 54.1 55.9 5:15a 48.6 12:15a 10.9 0.0 2.15 4.6 25.0 7:45a SSW 13 50.7 54.4 1:45p 47.5 7:45p 14.3 0.0 0.36 1.6 17.0 10:15p S 14 42.9 49.5 12:15a 40.2 8:45a 22.1 0.0 0.27 6.2 29.0 12:15p S 15 41.8 46.5 2:45p 39.6 10:15p 23.2 0.0 0.12 3.4 17.0 12:30a S 16 42.9 47.3 2:45p 39.5 5:00a 22.1 0.0 0.02 0.3 7.0 4:45p S 17 41.7 50.3 1:00p 33.5 8:30a 23.3 0.0 0.00 0.8 13.0 1:00p ESE 18 40.2 47.4 12:30p 34.8 8:30p 24.8 0.0 0.14 2.5 29.0 7:00a S 19 39.9 46.8 12:45p 35.6 9:00a 25.1 0.0 0.14 0.8 13.0 9:45p SE 20 40.2 43.2 7:30p 36.0 4:30a 24.8 0.0 0.07 0.7 9.0 8:30a SSE 21 46.1 52.1 11:30p 38.8 8:00a 18.9 0.0 0.08 0.8 12.0 8:00p NE 22 45.5 51.9 12:15a 38.7 12:00m 19.5 0.0 0.04 1.1 14.0 12:30p SSW 23 42.3 44.3 7:15a 37.9 1:00a 22.7 0.0 0.45 0.3 12.0 6:45a ENE 24 45.2 47.6 12:30p 42.9 12:15a 19.8 0.0 0.36 0.2 7.0 12:30p NNE 25 47.3 51.7 1:30p 44.6 11:00p 17.7 0.0 0.27 0.9 16.0 10:15p SSE 26 41.9 45.9 12:30p 38.0 11:45p 23.1 0.0 0.16 4.4 28.0 12:30p S 27 41.1 44.9 1:00p 38.3 12:15a 23.9 0.0 0.23 3.9 17.0 12:30a S 28 42.7 47.7 2:15a 38.7 11:30p 22.3 0.0 0.07 3.1 26.0 2:30a N 29 37.2 39.8 4:00p 33.7 12:00m 27.8 0.0 0.01 3.3 28.0 2:00p NNW 30 30.6 35.9 12:45p 24.8 11:45p 34.4 0.0 0.00 0.9 13.0 12:45a N 31 27.1 36.6 3:00p 21.3 5:45a 37.9 0.0 0.00 0.2 5.0 12:30p N ------------------------------------------------------------------------------------- 42.7 55.9 12 21.3 31 690.7 0.0 8.10 1.8 29.0 14 S Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 2 Min <= 0.0: 0 Max Rain: 2.15 ON 12/12/10 Days of Rain: 20 (>.01 in) 15 (>.1 in) 2 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration