MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 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 38.1 46.9 2:20p 28.4 4:00a 26.9 0.0 0.00 0.6 18.0 5:50p NW 2 40.5 54.6 3:20p 25.5 4:20a 24.5 0.0 0.00 0.7 16.0 10:20a NW 3 50.4 67.6 4:20p 26.0 5:40a 14.8 0.2 0.00 0.8 17.0 6:20p SSW 4 55.5 68.6 3:00p 33.7 5:40a 9.9 0.5 0.00 0.6 19.0 1:30p NW 5 59.6 70.8 4:50p 43.8 12:30a 6.5 1.0 0.00 1.2 16.0 3:30a NE 6 59.6 74.6 2:30p 39.1 2:30a 8.0 2.6 0.00 1.3 21.0 4:50p SSW 7 59.5 73.4 2:30p 43.0 6:10a 7.5 2.0 0.00 2.5 26.0 2:40p SSW 8 56.4 67.3 2:50p 45.4 12:10a 8.7 0.1 0.00 5.8 32.0 12:00p SSW 9 39.9 49.4 12:10a 29.2 12:00m 25.1 0.0 0.00 3.1 25.0 1:40a SSW 10 35.3 45.4 4:20p 27.2 5:20a 29.7 0.0 0.04 0.7 14.0 11:00a SSW 11 45.0 55.8 4:20p 35.2 4:50a 20.0 0.0 0.00 1.6 19.0 9:30a NW 12 52.0 66.2 5:10p 32.6 5:40a 13.1 0.0 0.00 0.6 16.0 10:10a NW 13 58.4 69.3 2:00p 39.7 2:40a 7.3 0.7 0.00 1.0 17.0 11:30a ENE 14 58.5 70.3 1:50p 44.4 2:30a 7.3 0.8 0.00 1.7 21.0 5:00p SSW 15 55.4 67.0 3:10p 44.7 5:20a 9.8 0.1 0.00 4.4 30.0 2:00p SSW 16 49.2 60.1 1:40p 38.2 4:40a 15.8 0.0 0.00 4.3 27.0 3:40p SSW 17 46.3 56.8 3:00p 38.0 5:40a 18.7 0.0 0.00 5.0 26.0 1:20a SSW 18 37.0 45.0 1:20p 32.3 8:00p 28.0 0.0 0.17 4.2 25.0 1:50p SSW 19 39.8 52.2 3:20p 31.2 3:20a 25.2 0.0 0.24 2.1 22.0 6:50p WSW 20 45.4 56.9 3:20p 34.9 12:00m 19.6 0.0 0.00 1.0 16.0 5:20p NW 21 51.6 65.5 2:20p 30.9 5:10a 13.4 0.0 0.00 0.6 13.0 2:50p NW 22 56.1 69.0 3:20p 37.7 5:30a 9.4 0.5 0.00 1.9 19.0 12:40p SSW 23 53.5 65.4 2:40p 41.8 3:50a 11.5 0.0 0.02 2.8 25.0 11:00a SSW 24 51.9 63.6 4:00p 36.7 5:30a 13.1 0.0 0.01 1.8 26.0 2:50p WSW 25 57.6 74.4 4:40p 32.6 5:30a 9.2 1.8 0.00 1.3 20.0 5:50p SSW 26 61.0 73.5 2:20p 50.9 3:30a 5.8 1.8 0.00 5.6 31.0 4:50p SSW 27 63.1 80.1 2:50p 43.5 5:40a 5.8 3.9 0.00 2.8 28.0 6:10p SSW 28 63.1 76.3 1:10p 52.1 5:20a 4.6 2.7 0.00 6.7 38.0 5:10p SSW 29 51.7 61.4 1:00p 40.3 12:00m 13.3 0.0 0.01 7.5 39.0 4:00p S 30 45.1 60.4 5:40p 30.0 4:10a 19.9 0.0 0.00 0.8 19.0 2:20p WSW 31 59.0 75.8 4:20p 30.8 2:40a 8.9 2.9 0.00 1.4 20.0 3:00p SSW ------------------------------------------------------------------------------------- 51.5 80.1 27 25.5 2 441.3 21.6 0.49 2.5 39.0 29 SSW Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 9 Min <= 0.0: 0 Max Rain: 0.24 ON 05/19/11 Days of Rain: 4 (>.01 in) 2 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration