507
CDUS46 KMTR 050034
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
434 PM PST WED FEB 04 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 4 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 68 3:23 PM 75 2018 59 9 61
MINIMUM 38 7:40 AM 27 2014 39 -1 43
AVERAGE 53 49 4 52
PRECIPITATION (IN)
TODAY 0.00 1.76
MONTH TO DATE 0.00 2.85
SINCE OCT 1 9.42 11.72
SINCE JAN 1 1.99 3.74
DEGREE DAYS
HEATING
TODAY 12 13
MONTH TO DATE 52 40
SINCE DEC 1 1031 956
SINCE JUL 1 1506 1496
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 65 3:00 PM
AVERAGE 83
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 81 2011
MINIMUM TEMPERATURE (F) 39 29 2020
SUNRISE AND SUNSET
FEBRUARY 4 2026......SUNRISE 7:11 AM PST SUNSET 5:36 PM PST
FEBRUARY 5 2026......SUNRISE 7:10 AM PST SUNSET 5:37 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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