Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 230041
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
541 PM PDT WED JUL 22 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 22 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 78 4:36 PM 106 2006 78 0 73
MINIMUM 64 7:43 AM 44 2016 55 9 57
AVERAGE 71 67 4 65
PRECIPITATION (IN)
TODAY 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
TODAY 0 0
MONTH TO DATE 23 31
SINCE JUN 1 44 95
SINCE JUL 1 23 31
COOLING
TODAY 6 0
MONTH TO DATE 56 9
SINCE JUN 1 95 17
SINCE JAN 1 112 34
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 14.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 52 4:00 PM
AVERAGE 70
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 102 2006
MINIMUM TEMPERATURE (F) 55 48 2000
SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE 6:04 AM PDT SUNSET 8:27 PM PDT
JULY 23 2026..........SUNRISE 6:04 AM PDT SUNSET 8:26 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$