Climatological Report (Daily)
Issued by NWS
Issued by NWS
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996
CDUS46 KMTR 130035
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
535 PM PDT SUN OCT 12 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 2:51 PM 95 2001 77 -2 70
2014
MINIMUM 40 6:40 AM 38 2002 47 -7 54
2017
AVERAGE 58 62 -4 62
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.08 0.00
SINCE OCT 1 0.08 0.00
SINCE JAN 1 8.40 13.84
DEGREE DAYS
HEATING
TODAY 7 3
MONTH TO DATE 31 16
SINCE SEP 1 33 42
SINCE JUL 1 78 55
COOLING
TODAY 0 0
MONTH TO DATE 9 77
SINCE SEP 1 99 135
SINCE JAN 1 210 436
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.6
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 97 1:00 AM
LOWEST 34 2:00 PM
AVERAGE 66
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 94 2010
MINIMUM TEMPERATURE (F) 47 35 2017
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 7:15 AM PDT SUNSET 6:35 PM PDT
OCTOBER 13 2025.......SUNRISE 7:16 AM PDT SUNSET 6:33 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$