CXUS56 KSGX 010945 CLMONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 245 AM PDT WED APR 01 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MARCH 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 03/19/2026 03/19/2026 LOW 33 03/12/2006 HIGHEST 100R 03/19 71 29 92 03/24 03/20 LOWEST 50 03/06 47 3 39 03/08 AVG. MAXIMUM 84.5 71.7 12.8 67.4 AVG. MINIMUM 57.4 48.7 8.7 47.7 MEAN 71.0 60.2 10.8 57.5 DAYS MAX >= 90 9 0.9 8.1 1 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MAX >= 45 31 31 DAYS MAX >= 120 0 0 DAYS MIN <= 32 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 11.65 1978 MINIMUM 0.00 1972 TOTALS 0.25 1.64 -1.39 1.69 DAILY AVG. 0.01 0.05 -0.04 0.05 DAYS >= .01 1 5.3 -4.3 10 DAYS >= .10 1 2.7 -1.7 3 DAYS >= .50 0 0.7 -0.7 1 DAYS >= 1.00 0 0.3 -0.3 0 DAYS >= %-5.2F 0 0 DAYS >= %-5.2F 0 0 GREATEST 24 HR. TOTAL 0.25 03/31 TO 03/31 0.87 03/12 TO 03/13 STORM TOTAL 0.25 0.83 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 18 172 -154 237 SINCE 7/1 582 1144 -562 MM COOLING TOTAL 210 23 187 13 SINCE 1/1 253 36 217 MM FREEZE DATES RECORD EARLIEST 11/30/2004 LATEST 02/14/2006 EARLIEST 02/24 LATEST 02/20 ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.8 RESULTANT WIND SPEED/DIRECTION 1/290 HIGHEST WIND SPEED/DIRECTION 35/020 DATE 03/07 HIGHEST GUST SPEED/DIRECTION 54/040 DATE 03/07 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.33 NUMBER OF DAYS FAIR 17 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 2 AVERAGE RH (PERCENT) 47 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 1 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 8 FOG W/VIS <= 1/4 MILE 0 HAZE 10 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$