


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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339 CDUS46 KMTR 240834 CLICCR CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 134 AM PDT SUN AUG 24 2025 ................................... ...THE CONCORD AIRPORT CLIMATE SUMMARY FOR AUGUST 23 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1999 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 94 2:22 PM 99 2010 88 6 75 MINIMUM 59 5:29 AM 54 2006 60 -1 59 2014 AVERAGE 77 74 3 67 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 T SINCE OCT 1 4.30 12.46 SINCE JAN 1 2.04 9.33 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE JUN 1 1 3 SINCE JUL 1 0 3 COOLING YESTERDAY 12 2 MONTH TO DATE 226 227 SINCE JUN 1 555 891 SINCE JAN 1 666 974 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 8.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 86 2:00 AM LOWEST 16 3:00 PM AVERAGE 51 .......................................................... THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 106 2010 MINIMUM TEMPERATURE (F) 60 51 2009 SUNRISE AND SUNSET AUGUST 24 2025........SUNRISE 6:32 AM PDT SUNSET 7:49 PM PDT AUGUST 25 2025........SUNRISE 6:32 AM PDT SUNSET 7:47 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$