Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 240839
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT FRI JUL 24 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 23 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 3:54 PM 102 2006 78 5 72
MINIMUM 55 6:23 AM 48 2000 55 0 56
AVERAGE 69 67 2 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T T
SINCE OCT 1 17.03 16.08
SINCE JAN 1 9.60 8.10
DEGREE DAYS
HEATING
YESTERDAY 0 1
MONTH TO DATE 23 32
SINCE JUN 1 44 96
SINCE JUL 1 23 32
COOLING
YESTERDAY 4 0
MONTH TO DATE 58 9
SINCE JUN 1 97 17
SINCE JAN 1 114 34
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 41 3:00 PM
AVERAGE 71
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 2006
MINIMUM TEMPERATURE (F) 55 45 2002
SUNRISE AND SUNSET
JULY 24 2026..........SUNRISE 6:05 AM PDT SUNSET 8:26 PM PDT
JULY 25 2026..........SUNRISE 6:06 AM PDT SUNSET 8:25 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$