


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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227 CDUS46 KMTR 090826 CLICCR CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT THU OCT 09 2025 ................................... ...THE CONCORD AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 72 1:41 PM 95 2024 81 -9 95 MINIMUM 59 11:59 PM 47 2007 54 5 61 AVERAGE 66 68 -2 78 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.06 0.00 SINCE OCT 1 0.06 0.00 SINCE JAN 1 2.13 9.33 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE SEP 1 0 1 SINCE JUL 1 0 4 COOLING YESTERDAY 1 13 MONTH TO DATE 27 135 SINCE SEP 1 276 358 SINCE JAN 1 1027 1406 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 8.9 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 87 6:00 AM LOWEST 57 1:00 PM AVERAGE 72 .......................................................... THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 81 89 1999 2015 2016 MINIMUM TEMPERATURE (F) 54 46 2007 SUNRISE AND SUNSET OCTOBER 9 2025.......SUNRISE 7:11 AM PDT SUNSET 6:39 PM PDT OCTOBER 10 2025.......SUNRISE 7:12 AM PDT SUNSET 6:37 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$