


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
963 CXUS56 KSGX 020255 CLMSAN CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 755 PM PDT THU MAY 01 2025 ................................... ...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1874 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 98 04/20/2009 04/20/1958 LOW 39 04/07/1875 HIGHEST 76 04/11 68 8 74 04/10 LOWEST 49 04/04 56 -7 47 04/07 04/05 AVG. MAXIMUM 68.2 68.8 -0.6 67.1 AVG. MINIMUM 55.5 57.1 -1.6 54.6 MEAN 61.8 62.9 -1.1 60.9 DAYS MAX >= 90 0 0.2 -0.2 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MAX >= 45 30 30 DAYS MIN <= 32 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 5.37 1926 MINIMUM 0.00 1993 TOTALS 0.22 0.65 -0.43 0.16 DAILY AVG. 0.01 0.02 -0.01 0.01 DAYS >= .01 4 3.8 0.2 3 DAYS >= .10 1 1.7 -0.7 1 DAYS >= .50 0 0.3 -0.3 0 DAYS >= 1.00 0 0.1 -0.1 0 DAYS >= %-5.2F 0 0 DAYS >= %-5.2F 0 0 GREATEST 24 HR. TOTAL 0.19 04/28 TO 04/28 0.12 04/04 TO 04/05 04/27 TO 04/28 04/28 TO 04/28 STORM TOTAL 0.19 0.11 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 88 85 3 118 SINCE 7/1 1043 934 109 MM COOLING TOTAL 1 23 -22 0 SINCE 1/1 3 41 -38 MM FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.9 RESULTANT WIND SPEED/DIRECTION 4/280 HIGHEST WIND SPEED/DIRECTION 23/280 DATE 04/01 23/280 04/02 HIGHEST GUST SPEED/DIRECTION 32/300 DATE 04/01 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.56 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 18 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 4 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 9 FOG W/VIS <= 1/4 MILE 3 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$