Climatological Report (Daily)
Issued by NWS
Issued by NWS
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096
CDUS46 KMTR 140039
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT TUE MAY 13 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 13 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 70 3:30 PM 89 2014 73 -3 67
MINIMUM 44 5:14 AM 37 1999 47 -3 48
AVERAGE 57 60 -3 58
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.20 0.69
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
TODAY 8 7
MONTH TO DATE 69 82
SINCE MAR 1 735 713
SINCE JUL 1 2590 2361
COOLING
TODAY 0 0
MONTH TO DATE 6 5
SINCE MAR 1 8 5
SINCE JAN 1 8 5
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 45 4:00 PM
AVERAGE 73
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 2008
MINIMUM TEMPERATURE (F) 48 39 2017
SUNRISE AND SUNSET
MAY 13 2025...........SUNRISE 6:00 AM PDT SUNSET 8:12 PM PDT
MAY 14 2025...........SUNRISE 5:59 AM PDT SUNSET 8:13 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$