


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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512 CDUS46 KMTR 040026 CLICCR CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 526 PM PDT WED SEP 03 2025 ................................... ...THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 90 3:05 PM 106 2017 87 3 100 MINIMUM 60 6:02 AM 52 1999 59 1 56 AVERAGE 75 73 2 78 PRECIPITATION (IN) TODAY 0.00 0.00 MONTH TO DATE T 0.00 SINCE OCT 1 4.30 12.46 SINCE JAN 1 2.04 9.33 DEGREE DAYS HEATING TODAY 0 0 MONTH TO DATE 0 0 SINCE SEP 1 0 0 SINCE JUL 1 0 3 COOLING TODAY 10 13 MONTH TO DATE 38 27 SINCE SEP 1 38 27 SINCE JAN 1 789 1075 ................................................................... WIND (MPH) RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 8.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 3:00 AM LOWEST 22 3:00 PM AVERAGE 55 .......................................................... THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 87 103 2022 MINIMUM TEMPERATURE (F) 59 52 2012 SUNRISE AND SUNSET SEPTEMBER 3 2025.....SUNRISE 6:40 AM PDT SUNSET 7:34 PM PDT SEPTEMBER 4 2025.....SUNRISE 6:41 AM PDT SUNSET 7:32 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$