MONTHLY CLIMATOLOGICAL SUMMARY for APR. 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 55.2 71.0 1:20p 33.1 2:10a 10.9 1.1 0.00 0.4 12.0 9:00a NW 2 56.2 70.8 1:40p 36.7 3:40a 9.4 0.6 0.00 4.9 29.0 5:10p SSW 3 46.6 57.1 1:00p 28.6 12:00m 18.4 0.0 0.00 4.2 28.0 1:00p NW 4 36.3 50.4 4:00p 26.9 3:00a 27.5 0.0 0.00 1.3 18.0 5:40a ENE 5 51.0 68.3 3:50p 27.8 4:20a 14.2 0.2 0.00 2.2 26.0 3:10p SSW 6 42.5 54.6 12:30p 33.3 10:10p 22.5 0.0 0.37 1.9 20.0 9:00a SSW 7 41.1 51.6 1:50p 32.7 2:40a 23.9 0.0 0.17 5.2 30.0 3:20p SSW 8 32.2 39.8 12:10a 28.0 8:10p 32.8 0.0 0.00 3.3 28.0 5:10a SSW 9 25.3 29.9 12:10a 19.0 12:00m 39.7 0.0 0.00 1.9 20.0 11:50a SSW 10 29.0 37.5 5:20p 15.9 1:50a 36.0 0.0 0.00 0.8 13.0 1:10p NW 11 37.4 50.7 3:30p 18.5 5:00a 27.6 0.0 0.00 0.7 17.0 8:10a ENE 12 47.0 57.8 2:40p 35.2 12:00m 18.0 0.0 0.00 1.5 22.0 2:20p SSW 13 44.5 57.2 3:20p 30.3 5:10a 20.5 0.0 0.00 3.7 30.0 2:50p SSW 14 40.3 50.3 4:10p 29.9 6:00a 24.7 0.0 0.00 1.6 27.0 2:20a NW 15 43.2 57.2 4:10p 28.0 5:20a 21.8 0.0 0.00 0.6 13.0 9:50a NW 16 50.0 64.1 4:00p 29.7 6:10a 15.0 0.0 0.00 0.6 16.0 3:00p NW 17 55.9 70.6 3:20p 40.7 5:50a 9.9 0.8 0.00 2.5 24.0 10:30a SSW 18 53.4 64.7 12:20p 45.0 5:50a 11.6 0.0 0.00 4.2 28.0 11:20a SSW 19 52.7 64.9 3:50p 40.7 6:00a 12.3 0.0 0.00 1.3 21.0 4:20p SSW 20 53.4 66.8 3:10p 40.7 5:40a 11.7 0.1 0.00 3.1 28.0 3:50p SSW 21 52.2 64.4 1:00p 41.8 5:10a 12.8 0.0 0.00 4.0 30.0 2:10p SSW 22 50.5 62.8 2:20p 34.8 5:00a 14.5 0.0 0.00 1.3 20.0 4:30p SSW 23 49.6 58.9 4:10p 40.7 12:00m 15.4 0.0 0.00 3.3 22.0 10:10a SSW 24 46.7 58.6 2:20p 38.2 4:50a 18.3 0.0 0.01 3.1 25.0 12:50p SSW 25 48.8 61.5 4:40p 33.6 6:10a 16.2 0.0 0.00 3.2 24.0 6:00p SSW 26 44.4 50.7 2:20p 36.8 12:00m 20.6 0.0 0.00 2.9 25.0 3:30p NW 27 40.5 55.9 4:30p 24.4 5:50a 24.5 0.0 0.00 0.7 18.0 3:30p NW 28 51.5 66.2 2:50p 29.2 12:20a 13.5 0.0 0.00 3.1 24.0 11:50a SSW 29 50.1 61.4 2:10p 36.2 12:00m 14.9 0.0 0.00 4.4 28.0 3:00p SSW 30 35.5 44.0 3:40p 24.3 5:40a 29.5 0.0 0.00 1.0 17.0 8:10p NW ------------------------------------------------------------------------------------- 45.4 71.0 1 15.9 10 588.6 2.8 0.55 2.4 30.0 7 SSW Max >= 90.0: 0 Max <= 32.0: 1 Min <= 32.0: 14 Min <= 0.0: 0 Max Rain: 0.37 ON 04/06/11 Days of Rain: 2 (>.01 in) 2 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration