Climatological Report (Daily)
Issued by NWS
Issued by NWS
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055
CDUS46 KMTR 020036
CLICCR
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT MON SEP 01 2025
...................................
...THE CONCORD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 100 3:41 PM 111 2017 87 13 84
MINIMUM 62 5:59 AM 52 2008 59 3 59
AVERAGE 81 73 8 72
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.00 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 16 7
MONTH TO DATE 16 7
SINCE SEP 1 16 7
SINCE JAN 1 767 1055
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (320)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 4.7
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 14 3:00 PM
AVERAGE 51
..........................................................
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 110 2017
MINIMUM TEMPERATURE (F) 59 50 2012
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:38 AM PDT SUNSET 7:37 PM PDT
SEPTEMBER 2 2025.....SUNRISE 6:39 AM PDT SUNSET 7:35 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$