MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2007 NAME: Ranch2 CITY: Petaluma STATE: CA ELEV: 0 ft LAT: 38° 09' 45" N LONG: 122° 46' 51" 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 38.5 53.4 11:45a 27.0 7:30a 26.5 0.0 0.01 1.2 15.0 10:30a ENE 2 50.7 56.3 9:45p 33.1 12:15a 14.3 0.0 0.10 3.7 30.0 11:45a W 3 57.4 60.6 1:30p 54.8 2:45a 7.6 0.0 0.24 4.7 27.0 8:15p W 4 54.9 56.9 2:30a 52.4 9:15a 10.1 0.0 0.72 1.0 17.0 12:15a W 5 53.1 67.6 12:15p 43.8 8:15p 12.0 0.1 0.01 0.6 11.0 12:45p E 6 49.8 52.8 1:00p 44.8 12:15a 15.2 0.0 0.58 0.1 15.0 12:00m ENE 7 47.7 57.1 1:30p 35.8 12:00m 17.3 0.0 0.18 1.7 16.0 12:15p WNW 8 43.2 57.9 2:45p 31.2 4:00a 21.8 0.0 0.01 0.8 15.0 7:45p NNW 9 43.9 63.1 1:30p 29.7 8:00a 21.1 0.0 0.00 0.8 12.0 2:15a NNE 10 41.1 61.6 3:00p 28.4 7:30a 23.9 0.0 0.00 0.8 17.0 11:30p ENE 11 45.6 59.7 1:15p 28.7 12:00m 19.4 0.0 0.00 0.9 13.0 2:00a W 12 37.8 59.0 2:45p 27.2 2:30a 27.2 0.0 0.00 0.3 7.0 1:45p W 13 39.4 63.3 2:00p 28.6 5:45a 25.6 0.0 0.00 0.4 6.0 12:00p NW 14 39.1 59.0 2:00p 27.0 6:30a 25.9 0.0 0.01 0.7 10.0 12:45p NNW 15 43.4 53.2 2:45p 31.1 2:30a 21.6 0.0 0.00 0.3 5.0 1:45p NNE 16 46.8 52.6 2:45p 37.7 4:30a 18.2 0.0 0.39 2.1 19.0 3:15p N 17 47.9 52.3 2:45p 42.6 3:00a 17.1 0.0 0.22 1.2 20.0 12:00m W 18 50.5 54.7 2:15p 45.9 12:00m 14.5 0.0 0.69 2.9 24.0 8:15a W 19 37.7 52.1 2:30p -27.0 2:30p 27.3 0.0 0.23 2.3 31.0 11:15p NE 20 45.9 54.9 1:00p 32.4 12:00m 19.1 0.0 0.62 1.6 25.0 12:30a NNW 21 36.7 57.8 2:45p 27.8 6:00a 28.3 0.0 0.00 0.3 7.0 1:30p ENE 22 37.5 55.4 4:00p 26.5 5:45a 27.5 0.0 0.01 0.2 5.0 3:30p ENE 23 45.8 63.2 1:45p 32.3 4:00a 19.2 0.0 0.00 0.7 11.0 2:00p SW 24 47.7 59.4 1:00p 30.7 11:30p 17.3 0.0 0.00 1.7 15.0 7:45a NNW 25 40.5 57.2 2:00p 25.9 7:00a 24.5 0.0 0.00 1.3 14.0 3:45p NNW 26 44.1 53.0 1:30p 37.3 9:00p 20.9 0.0 0.00 1.8 19.0 11:15a ENE 27 39.0 50.1 1:00p 26.9 7:45a 26.0 0.0 0.27 1.0 12.0 1:45p ENE 28 40.2 41.8 3:30p 38.1 7:00a 24.8 0.0 0.11 1.1 14.0 1:00a SSW 29 43.5 47.8 11:45p 40.3 2:45a 21.5 0.0 0.05 0.7 10.0 4:00a S 30 44.6 57.7 2:00p 31.9 11:45p 20.4 0.0 0.00 0.7 11.0 12:00p NNW 31 41.1 57.5 2:45p 26.8 8:15a 23.9 0.0 0.01 0.8 16.0 12:00m W ------------------------------------------------------------------------------------- 44.4 67.6 5 -27.0 19 640.0 0.1 4.46 1.2 31.0 19 W Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 17 Min <= 0.0: 1 Max Rain: 0.72 ON 12/04/07 Days of Rain: 13 (>.01 in) 11 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration