Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 250027
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
527 PM PDT SUN AUG 24 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 24 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 75 2:38 PM 104 2010 81 -6 78
MINIMUM 56 7:28 AM 47 2005 54 2 57
AVERAGE 66 67 -1 68
PRECIPITATION (IN)
TODAY 0.00 T
MONTH TO DATE 0.00 T
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 7 8
SINCE JUN 1 109 50
SINCE JUL 1 45 13
COOLING
TODAY 1 3
MONTH TO DATE 53 55
SINCE JUN 1 73 269
SINCE JAN 1 90 279
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 61 2:00 PM
AVERAGE 79
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 1999
MINIMUM TEMPERATURE (F) 54 47 2000
SUNRISE AND SUNSET
AUGUST 24 2025........SUNRISE 6:32 AM PDT SUNSET 7:50 PM PDT
AUGUST 25 2025........SUNRISE 6:33 AM PDT SUNSET 7:48 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$