National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
Product Timestamp: 2025-10-23 08:36 UTC
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536
CDUS46 KMTR 230836
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT THU OCT 23 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 2025...
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)
YESTERDAY
MAXIMUM 68 4:34 PM 87 2008 74 -6 70
MINIMUM 53 11:59 PM 37 2008 45 8 44
AVERAGE 61 59 2 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 1.25 T
SINCE OCT 1 1.25 T
SINCE JAN 1 9.57 13.84
DEGREE DAYS
HEATING
YESTERDAY 4 8
MONTH TO DATE 81 45
SINCE SEP 1 83 71
SINCE JUL 1 128 84
COOLING
YESTERDAY 0 0
MONTH TO DATE 10 85
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 11:00 PM
LOWEST 59 3:00 PM
AVERAGE 78
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 2019
MINIMUM TEMPERATURE (F) 45 37 1998
2018
2022
SUNRISE AND SUNSET
OCTOBER 23 2025.......SUNRISE 7:26 AM PDT SUNSET 6:20 PM PDT
OCTOBER 24 2025.......SUNRISE 7:27 AM PDT SUNSET 6:19 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$