Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 310835
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST WED DEC 31 2025
...................................
...THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 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 47 11:19 PM 64 2016 57 -10 61
2022
MINIMUM 39 6:05 AM 30 2006 40 -1 40
AVERAGE 43 49 -6 51
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 1.42 1.48
SINCE OCT 1 3.14 2.26
SINCE JAN 1 5.21 11.59
DEGREE DAYS
HEATING
YESTERDAY 22 14
MONTH TO DATE 443 383
SINCE DEC 1 443 383
SINCE JUL 1 740 722
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 1035 1454
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NE (50)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 80 11:00 PM
AVERAGE 90
..........................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 65 2019
MINIMUM TEMPERATURE (F) 40 29 2015
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:24 AM PST SUNSET 4:59 PM PST
JANUARY 1 2026.......SUNRISE 7:24 AM PST SUNSET 5:00 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$