Climatological Report (Monthly)
Issued by NWS
Issued by NWS
307 CXUS56 KSGX 011025 CLMONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 325 AM PDT SAT JUN 01 2024 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF MAY 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 103 05/13/2013 05/12/2013 05/03/2004 LOW 42 05/01/1999 HIGHEST 83 05/30 80 3 87 05/13 05/14 LOWEST 49 05/06 53 -4 47 05/04 AVG. MAXIMUM 75.4 79.8 -4.4 73.6 AVG. MINIMUM 54.4 55.6 -1.2 54.6 MEAN 64.9 67.7 -2.8 64.1 DAYS MAX >= 90 0 5.0 -5.0 0 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 2.52 1977 MINIMUM 0.00 1983 TOTALS 0.15 0.30 -0.15 0.78 DAILY AVG. 0.00 0.01 -0.01 0.03 DAYS >= .01 2 1.7 0.3 3 DAYS >= .10 1 0.9 0.1 1 DAYS >= .50 0 0.0 0.0 1 DAYS >= 1.00 0 0.0 0.0 0 DAYS >= %-5.2F 0 0 DAYS >= %-5.2F 0 0 GREATEST 24 HR. TOTAL 0.15 05/04 TO 05/05 0.74 05/04 TO 05/05 STORM TOTAL 0.13 0.70 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 34 37 -3 78 SINCE 7/1 1312 1288 24 MM COOLING TOTAL 36 121 -85 56 SINCE 1/1 61 214 -153 MM FREEZE DATES RECORD EARLIEST 11/30/2004 LATEST 02/14/2006 EARLIEST 02/24 LATEST 02/20 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.0 RESULTANT WIND SPEED/DIRECTION 6/250 HIGHEST WIND SPEED/DIRECTION 21/260 DATE 05/10 HIGHEST GUST SPEED/DIRECTION 28/210 DATE 05/05 28/240 05/09 28/250 05/11 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.49 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 20 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 60 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 24 FOG W/VIS <= 1/4 MILE 0 HAZE 25 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$