Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 040833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT FRI JUL 04 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 3 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 71 3:44 PM 99 2001 79 -8 94
MINIMUM 49 5:32 AM 45 2003 54 -5 57
AVERAGE 60 66 -6 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
YESTERDAY 5 0
MONTH TO DATE 8 0
SINCE JUN 1 72 37
SINCE JUL 1 8 0
COOLING
YESTERDAY 0 11
MONTH TO DATE 0 33
SINCE JUN 1 8 89
SINCE JAN 1 25 99
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 13.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 57 3:00 PM
AVERAGE 79
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 93 2007
MINIMUM TEMPERATURE (F) 54 45 1999
SUNRISE AND SUNSET
JULY 4 2025..........SUNRISE 5:51 AM PDT SUNSET 8:36 PM PDT
JULY 5 2025..........SUNRISE 5:52 AM PDT SUNSET 8:36 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$