Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 080828
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT TUE JUL 08 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 7 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 70 4:14 PM 100 2017 79 -9 79
MINIMUM 52 8:08 AM 44 2000 54 -2 59
AVERAGE 61 67 -6 69
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 4 0
MONTH TO DATE 21 0
SINCE JUN 1 85 37
SINCE JUL 1 21 0
COOLING
YESTERDAY 0 4
MONTH TO DATE 0 63
SINCE JUN 1 8 119
SINCE JAN 1 25 129
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 61 1:00 PM
AVERAGE 79
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 100 2008
MINIMUM TEMPERATURE (F) 54 44 2009
SUNRISE AND SUNSET
JULY 8 2025..........SUNRISE 5:54 AM PDT SUNSET 8:35 PM PDT
JULY 9 2025..........SUNRISE 5:54 AM PDT SUNSET 8:34 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$