Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 090034
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
534 PM PDT FRI AUG 08 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 85 4:07 PM 97 2002 79 6 74
MINIMUM 57 6:48 AM 45 2002 55 2 54
AVERAGE 71 67 4 64
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
TODAY 0 1
MONTH TO DATE 5 1
SINCE JUN 1 107 43
SINCE JUL 1 43 6
COOLING
TODAY 6 0
MONTH TO DATE 18 26
SINCE JUN 1 38 240
SINCE JAN 1 55 250
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.4
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 93 4:00 AM
LOWEST 40 2:00 PM
AVERAGE 67
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 100 2002
MINIMUM TEMPERATURE (F) 55 49 2009
SUNRISE AND SUNSET
AUGUST 8 2025........SUNRISE 6:18 AM PDT SUNSET 8:11 PM PDT
AUGUST 9 2025........SUNRISE 6:19 AM PDT SUNSET 8:09 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$