Climatological Report (Monthly)
Issued by NWS
Issued by NWS
805 CXUS56 KSGX 050801 CLMONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 1201 AM PST MON FEB 05 2024 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 90 01/31/2003 LOW 25 01/14/2007 01/14/1962 HIGHEST 80 01/27 68 12 70 01/25 LOWEST 34 01/08 45 -11 35 01/21 01/24 AVG. MAXIMUM 65.4 67.7 -2.3 60.6 AVG. MINIMUM 44.4 44.6 -0.2 42.2 MEAN 54.9 56.1 -1.2 51.4 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MAX >= 45 31 31 DAYS MAX >= 120 0 0 DAYS MIN <= 32 0 0.5 -0.5 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.47 1969 MINIMUM 0.00 2003 TOTALS 0.78 2.57 -1.79 4.81 DAILY AVG. 0.03 0.08 -0.05 0.20 DAYS >= .01 5 5.1 -0.1 7 DAYS >= .10 2 3.4 -1.4 4 DAYS >= .50 0 1.6 -1.6 4 DAYS >= 1.00 0 0.7 -0.7 0 DAYS >= %-5.2F 0 0 DAYS >= %-5.2F 0 0 GREATEST 24 HR. TOTAL 0.36 01/03 TO 01/03 1.79 01/14 TO 01/15 STORM TOTAL 0.36 1.72 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 306 280 26 413 SINCE 7/1 590 749 -159 MM COOLING TOTAL 0 5 -5 0 SINCE 1/1 0 5 -5 MM FREEZE DATES RECORD EARLIEST 11/30/2004 LATEST 02/14/2006 EARLIEST 02/24 LATEST 02/20 ................................................................ WIND (MPH) AVERAGE WIND SPEED 3.8 RESULTANT WIND SPEED/DIRECTION 1/270 HIGHEST WIND SPEED/DIRECTION 22/040 DATE 01/26 HIGHEST GUST SPEED/DIRECTION 29/360 DATE 01/06 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.53 NUMBER OF DAYS FAIR 9 NUMBER OF DAYS PC 15 NUMBER OF DAYS CLOUDY 7 AVERAGE RH (PERCENT) 55 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 4 LIGHT RAIN 9 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 2 HAZE 14 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$