MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2017 NAME: henwood CITY: Seattle STATE: WA ELEV: 168 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 45.0 47.8 12:20p 42.9 8:10a 20.0 0.0 0.14 3.6 19.0 1:00p S 2 42.9 44.2 2:30a 41.8 5:40a 22.1 0.0 0.51 0.3 12.0 12:50a S 3 40.6 44.3 1:30p 36.5 10:50p 24.4 0.0 0.09 0.0 7.0 2:50a N 4 37.5 41.6 2:30p 33.7 12:00m 27.5 0.0 0.00 0.0 4.0 2:10p NNE 5 36.9 44.4 1:50p 30.8 7:40a 28.1 0.0 0.02 1.0 13.0 2:00p NNE 6 42.1 52.6 2:30p 35.7 1:20a 22.9 0.0 0.00 1.2 9.0 5:40a NNE 7 40.9 57.1 2:30p 32.9 12:00m 24.1 0.0 0.00 0.0 6.0 12:50p NNW 8 36.1 48.5 2:40p 29.0 7:40a 28.9 0.0 0.02 0.0 4.0 12:40p NNW 9 35.6 45.8 3:20p 30.5 4:30a 29.4 0.0 0.00 0.0 5.0 2:20p NNW 10 39.3 50.7 2:30p 32.7 8:20a 25.7 0.0 0.01 0.1 8.0 5:40p NNE 11 36.7 49.2 2:50p 30.0 5:10a 28.3 0.0 0.01 0.1 7.0 2:00p NNE 12 38.5 46.6 3:20p 31.4 4:50a 26.5 0.0 0.00 0.0 5.0 2:40a SE 13 40.6 48.3 1:30p 33.7 4:50a 24.4 0.0 0.00 0.4 13.0 12:10p NNE 14 41.6 51.9 2:40p 35.3 5:20a 23.4 0.0 0.00 0.0 7.0 1:30p N 15 41.9 44.7 12:10p 37.8 1:50a 23.1 0.0 0.01 0.2 14.0 7:30a S 16 41.4 44.8 3:40p 36.3 5:30a 23.6 0.0 0.11 0.3 11.0 11:40p S 17 46.6 50.6 10:10p 43.0 1:20a 18.4 0.0 0.00 5.9 34.0 7:10p S 18 45.3 49.8 1:50a 41.3 11:40p 19.7 0.0 0.78 1.4 23.0 12:20a ESE 19 43.3 49.6 11:30a 40.4 12:00m 21.7 0.0 1.08 3.7 28.0 11:50a SSW 20 37.8 43.5 1:40p 29.3 11:20p 27.2 0.0 0.21 2.0 23.0 8:50a NNW 21 34.1 39.4 10:00p 28.5 3:20a 30.9 0.0 0.02 0.2 9.0 10:00p SSE 22 37.4 40.0 3:20p 34.0 9:00p 27.6 0.0 0.11 0.5 14.0 2:50p N 23 32.7 39.1 2:30p 27.6 11:10p 32.3 0.0 0.00 0.9 11.0 12:40a N 24 32.5 37.8 2:30p 27.8 1:20a 32.5 0.0 0.00 0.1 10.0 7:10a NNE 25 33.1 34.8 2:30p 31.5 3:10a 31.9 0.0 0.14 0.0 1.0 12:50p NNE 26 34.1 38.0 2:10p 31.6 7:30a 30.9 0.0 0.13 0.0 6.0 12:30p NNE 27 36.2 39.3 3:10p 32.4 5:20a 28.8 0.0 0.00 0.0 5.0 12:00m NNE 28 44.8 48.0 1:30p 39.3 12:10a 20.2 0.0 0.05 2.8 18.0 2:10p S 29 46.8 54.2 7:40p 43.8 12:10a 18.2 0.0 1.05 3.3 32.0 9:00p SSW 30 43.6 47.0 1:30p 38.1 12:00m 21.4 0.0 0.01 1.6 29.0 1:00a SSW 31 36.8 42.4 1:20p 32.4 11:50p 28.2 0.0 0.01 1.7 14.0 2:00p N ------------------------------------------------------------------------------------- 39.4 57.1 7 27.6 23 792.3 0.0 4.51 1.0 34.0 17 NNE Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 11 Min <= 0.0: 0 Max Rain: 1.08 ON 12/19/17 Days of Rain: 15 (>.01 in) 10 (>.1 in) 2 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration