


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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322 CDUS46 KSGX 220007 CLISAN CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 507 PM PDT MON JUL 21 2025 ................................... ...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 21 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1874 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 73 1:06 PM 86 1877 76 -3 75 MINIMUM 65 4:50 AM 57 1894 67 -2 68 AVERAGE 69 71 -2 72 PRECIPITATION (IN) TODAY 0.00 0.15 1860 0.00 0.00 0.00 MONTH TO DATE 0.00 0.05 -0.05 T SINCE JUL 1 0.00 0.05 -0.05 T SINCE OCT 1 4.56 9.63 -5.07 12.41 SINCE JAN 1 4.42 6.67 -2.25 11.00 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 5 10 -5 6 SINCE JUL 1 0 0 0 0 COOLING TODAY 4 6 -2 7 MONTH TO DATE 88 112 -24 140 SINCE JUN 1 144 187 -43 218 SINCE JAN 1 184 265 -81 219 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 7.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 75 12:00 AM LOWEST 59 2:00 PM AVERAGE 67 .......................................................... THE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 99 2006 MINIMUM TEMPERATURE (F) 67 59 1880 1894 1940 SUNRISE AND SUNSET JULY 21 2025..........SUNRISE 5:56 AM PDT SUNSET 7:54 PM PDT JULY 22 2025..........SUNRISE 5:56 AM PDT SUNSET 7:54 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$