MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 1997 NAME: CIMAT Valenciana CITY: Guanajuato STATE: Guanajuato ELEV: 2239 LAT: 21 LONG: -101 TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/hr) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 15.8 21.8 2:30p 10.0 6:30a 0.0 0.0 0.0 4.0 19.3 10:30a N 2 16.0 21.8 2:30p 10.1 6:30a 0.0 0.0 0.0 3.1 25.7 8:00p N 3 16.5 22.4 2:00p 10.9 7:30a 0.0 0.0 0.0 4.2 16.1 8:00a N 4 16.4 22.3 2:30p 10.8 7:30a 0.0 0.0 0.0 4.2 16.1 1:30a N 5 16.8 22.8 2:30p 11.1 7:30a 0.0 0.0 0.0 5.0 24.1 4:00p N 6 17.0 23.1 2:30p 11.5 8:00a 0.0 0.0 0.0 3.8 20.9 3:30p N 7 17.6 23.4 3:00p 11.6 7:30a 0.0 0.0 0.0 5.4 29.0 5:30p N 8 16.9 22.6 3:30p 11.2 7:30a 0.0 0.0 0.0 3.5 19.3 3:30p N 9 17.4 23.4 2:30p 11.7 6:00a 0.0 0.0 0.0 3.7 24.1 3:00p N 10 16.9 22.5 3:30p 11.6 7:30a 0.0 0.0 0.0 5.4 29.0 4:00p N 11 15.0 21.4 3:00p 9.5 7:30a 0.0 0.0 0.0 5.9 41.8 3:00p WSW 12 12.6 18.2 2:30p 8.1 8:00a 0.3 0.0 0.0 8.1 48.3 5:30p SW 13 4.0 10.8 12:30a -0.2 9:00a 6.0 0.0 0.2 6.2 30.6 10:00p N 14 6.7 14.6 3:00p -0.6 4:30a 4.2 0.0 0.0 9.2 45.1 5:30a N 15 11.0 18.2 2:30p 4.8 6:00a 1.7 0.0 0.0 6.3 43.5 2:30a N 16 13.4 18.9 3:00p 7.2 7:00a 0.5 0.0 0.0 4.5 24.1 2:00p N 17 14.7 19.8 2:30p 10.0 12:00m 0.0 0.0 0.0 4.2 32.2 2:00p WSW 18 12.4 18.9 3:00p 6.4 7:30a 0.7 0.0 0.0 7.0 20.9 2:00a N 19 13.3 18.8 3:30p 8.3 7:30a 0.3 0.0 0.0 6.5 30.6 3:00p N 20 13.4 17.6 3:00p 10.7 5:00a 0.0 0.0 0.0 4.4 37.0 2:00p SSW 21 14.2 19.4 3:30p 9.2 8:00a 0.1 0.0 0.0 3.4 22.5 5:00p SSW 22 13.8 16.6 2:30p 9.9 8:00a 0.0 0.0 0.6 4.0 29.0 8:30p N 23 13.3 15.3 3:30p 11.4 12:00m 0.0 0.0 1.6 4.7 33.8 7:30p SW 24 13.3 19.4 4:00p 6.8 8:30a 0.4 0.0 0.0 4.7 30.6 5:00p WSW 25 13.7 19.7 4:00p 7.3 8:00a 0.4 0.0 0.0 4.5 29.0 5:30p SSW 26 14.6 20.7 4:00p 8.3 5:30a 0.2 0.0 0.0 5.5 32.2 3:30p WSW 27 16.1 21.7 4:00p 10.0 8:00a 0.0 0.0 0.0 4.4 30.6 4:30p WSW 28 15.0 20.9 3:30p 10.3 8:00a 0.0 0.0 0.0 4.9 25.7 2:00p N 29 13.2 19.6 3:00p 7.5 7:30a 0.3 0.0 0.0 7.9 37.0 11:30p N 30 13.7 19.9 3:00p 8.1 7:30a 0.3 0.0 0.0 4.6 37.0 4:30a N 31 13.1 19.1 2:00p 5.4 11:30p 0.5 0.0 0.0 11.1 49.9 8:30p N ------------------------------------------------------------------------------------- 14.1 23.4 9 -0.6 14 15.8 0.0 2.4 5.3 49.9 31 N Max >= 32.2: 0 Max <= 0.0: 0 Min <= 0.0: 2 Min <= -17.8: 0 Max Rain: 1.60 ON 12/23/97 Days of Rain: 2 (> .2 mm) 0 (> 2 mm) 0 (> 20 mm) Heat Base: 10.0 Cool Base: 27.0 Method: Integration