402
CDUS46 KMTR 020851
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1251 AM PST FRI JAN 02 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 1 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 57 10:06 PM 65 2023 56 1 52
MINIMUM 49 3:03 AM 25 2014 38 11 35
2016
AVERAGE 53 47 6 44
PRECIPITATION (IN)
YESTERDAY 0.25 0.01
MONTH TO DATE 0.25 0.01
SINCE OCT 1 7.68 7.99
SINCE JAN 1 0.25 0.01
DEGREE DAYS
HEATING
YESTERDAY 12 21
MONTH TO DATE 12 21
SINCE DEC 1 517 406
SINCE JUL 1 992 946
COOLING
YESTERDAY 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 (90)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 PM
LOWEST 86 4:00 AM
AVERAGE 93
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 67 2014
MINIMUM TEMPERATURE (F) 38 23 2000
SUNRISE AND SUNSET
JANUARY 2 2026.......SUNRISE 7:26 AM PST SUNSET 5:01 PM PST
JANUARY 3 2026.......SUNRISE 7:26 AM PST SUNSET 5:02 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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