Climatological Report (Daily)
Issued by NWS
Issued by NWS
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582
CDUS46 KMTR 160830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT WED JUL 16 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 15 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 1:26 PM 96 1998 79 -9 76
MINIMUM 53 12:36 AM 44 2004 55 -2 55
AVERAGE 62 67 -5 66
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 3 0
MONTH TO DATE 26 0
SINCE JUN 1 90 37
SINCE JUL 1 26 0
COOLING
YESTERDAY 0 1
MONTH TO DATE 8 96
SINCE JUN 1 16 152
SINCE JAN 1 33 162
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 14.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 65 12:00 PM
AVERAGE 81
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 103 2017
MINIMUM TEMPERATURE (F) 55 48 2009
SUNRISE AND SUNSET
JULY 16 2025..........SUNRISE 5:59 AM PDT SUNSET 8:31 PM PDT
JULY 17 2025..........SUNRISE 6:00 AM PDT SUNSET 8:30 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$