Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 010838
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT WED OCT 01 2025
...................................
...THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 78 12:36 PM 97 2012 83 -5 95
MINIMUM 63 6:17 AM 46 2007 56 7 54
AVERAGE 71 69 2 75
PRECIPITATION (IN)
YESTERDAY T 0.00
MONTH TO DATE 0.03 0.00
SINCE OCT 1 4.33 12.46
SINCE JAN 1 2.07 9.33
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 1
SINCE SEP 1 0 1
SINCE JUL 1 0 4
COOLING
YESTERDAY 6 10
MONTH TO DATE 249 223
SINCE SEP 1 249 223
SINCE JAN 1 1000 1271
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 45 1:00 PM
AVERAGE 66
..........................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 103 2024
MINIMUM TEMPERATURE (F) 56 46 2019
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 7:04 AM PDT SUNSET 6:51 PM PDT
OCTOBER 2 2025.......SUNRISE 7:05 AM PDT SUNSET 6:49 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$