513
CDUS46 KMTR 220831
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1231 AM PST THU JAN 22 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 21 2026
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)
YESTERDAY
MAXIMUM 51 2:32 PM 68 2007 57 -6 61
2022
MINIMUM 41 7:18 AM 26 2008 38 3 29
AVERAGE 46 48 -2 45
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 1.91 0.28
SINCE OCT 1 9.34 8.26
SINCE JAN 1 1.91 0.28
DEGREE DAYS
HEATING
YESTERDAY 19 20
MONTH TO DATE 323 336
SINCE DEC 1 828 721
SINCE JUL 1 1303 1261
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (100)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 83 1:00 PM
AVERAGE 92
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 73 2022
MINIMUM TEMPERATURE (F) 39 27 2014
SUNRISE AND SUNSET
JANUARY 22 2026.......SUNRISE 7:21 AM PST SUNSET 5:21 PM PST
JANUARY 23 2026.......SUNRISE 7:20 AM PST SUNSET 5:22 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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