MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2011 NAME: KL1SF CITY: Grand Canyon STATE: Arizona ELEV: 6830 ft LAT: 36° 02' 53" N LONG: 112° 07' 28" 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 70.4 84.7 3:20p 54.9 1:10a 2.5 7.8 0.00 1.8 29.0 2:10p SSW 2 71.0 85.1 3:30p 52.7 4:30a 2.8 8.8 0.00 1.0 18.0 1:30p SSW 3 72.7 83.6 3:50p 56.4 6:20a 1.0 8.7 0.00 0.5 18.0 1:40p NW 4 70.7 83.6 5:10p 53.3 3:50a 2.4 8.1 0.00 0.4 17.0 2:20p NE 5 67.1 80.3 2:10p 53.7 3:50a 2.2 4.3 0.01 1.0 16.0 9:10a SSW 6 62.3 73.7 4:30p 53.1 4:30a 4.6 1.9 0.06 0.3 13.0 3:10p NW 7 66.5 78.3 4:10p 50.1 3:40a 3.1 4.6 0.00 0.8 16.0 7:30a ENE 8 68.3 78.7 11:50a 61.1 11:50p 0.5 3.8 0.00 1.0 17.0 6:00p NE 9 59.5 69.6 2:20p 47.9 11:00p 6.1 0.6 0.36 1.0 16.0 12:50a ENE 10 58.8 67.1 3:10p 49.8 12:10a 6.3 0.1 0.00 1.3 17.0 11:50p ENE 11 54.8 67.0 11:00a 49.0 3:00a 10.2 0.0 0.44 0.9 22.0 2:50p ENE 12 53.3 67.3 11:20a 46.9 5:50a 11.7 0.0 0.29 0.5 17.0 2:30p ESE 13 54.1 65.2 11:10a 48.5 4:00a 10.9 0.0 0.29 0.3 18.0 2:40p NW 14 50.8 58.6 10:10a 47.3 6:00a 14.3 0.0 0.38 0.2 13.0 11:30a SSW 15 51.3 59.7 6:10p 44.4 11:30p 13.7 0.0 0.25 0.2 18.0 3:30p NW 16 53.6 69.1 2:00p 41.8 6:20a 11.6 0.2 0.13 0.6 20.0 3:50p SSW 17 55.9 70.5 4:10p 42.7 4:20a 10.0 0.9 0.00 0.8 16.0 1:50p SSW 18 57.8 71.5 4:50p 42.0 6:10a 8.8 1.6 0.00 0.3 11.0 1:10p NW 19 59.4 74.9 9:50a 43.4 6:30a 8.7 3.1 0.00 0.3 11.0 4:30p NW 20 60.5 76.5 11:10a 44.4 5:40a 8.6 4.1 0.00 0.3 11.0 2:10p NW 21 60.4 77.9 10:40a 44.3 5:50a 8.2 3.6 0.00 0.2 11.0 12:10p NW 22 60.5 76.3 3:30p 42.7 6:00a 8.4 3.9 0.00 0.6 17.0 9:20a NW 23 63.6 77.0 9:50a 47.9 12:30a 5.7 4.3 0.00 0.3 10.0 12:50p NW 24 63.2 79.2 11:10a 43.0 6:10a 6.4 4.6 0.00 0.6 20.0 8:40p SSW 25 59.7 74.9 2:30p 43.0 6:20a 7.9 2.6 0.00 0.3 13.0 1:00p SSW 26 59.8 72.5 10:50a 44.1 6:50a 7.5 2.2 0.00 0.5 16.0 10:00a ENE 27 59.2 75.5 3:30p 41.5 5:50a 9.5 3.7 0.00 0.2 11.0 11:00a NW 28 60.5 78.5 9:40a 42.8 6:20a 9.0 4.5 0.00 0.3 11.0 12:50p NW 29 62.7 78.8 3:30p 44.1 6:30a 7.0 4.8 0.00 0.4 12.0 12:10p ENE 30 62.8 72.3 12:20p 52.4 6:20a 3.7 1.5 0.00 0.6 18.0 6:00p SSW ------------------------------------------------------------------------------------- 61.0 85.1 2 41.5 27 213.3 94.3 2.21 0.6 29.0 1 NW Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.44 ON 09/11/11 Days of Rain: 8 (>.01 in) 7 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration