


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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435 CDUS46 KMTR 150838 CLICCR CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 138 AM PDT FRI AUG 15 2025 ................................... ...THE CONCORD AIRPORT CLIMATE SUMMARY FOR AUGUST 14 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 87 4:24 PM 106 2020 88 -1 92 MINIMUM 60 6:06 AM 54 2007 60 0 61 2010 AVERAGE 74 74 0 77 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 9 12 MONTH TO DATE 134 159 SINCE JUN 1 463 823 SINCE JAN 1 574 906 ................................................................... WIND (MPH) RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 12.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 12:00 AM LOWEST 31 5:00 PM AVERAGE 58 .......................................................... THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 106 2020 MINIMUM TEMPERATURE (F) 60 55 2016 SUNRISE AND SUNSET AUGUST 15 2025........SUNRISE 6:24 AM PDT SUNSET 8:01 PM PDT AUGUST 16 2025........SUNRISE 6:25 AM PDT SUNSET 7:59 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$