Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 020037
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
537 PM PDT THU OCT 01 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 81 4:21 PM 99 2024 79 2 71
MINIMUM 52 3:50 AM 38 2006 49 3 61
2019
AVERAGE 67 64 3 66
PRECIPITATION (IN)
TODAY 0.00 0.04
MONTH TO DATE 0.00 0.04
SINCE OCT 1 0.00 0.04
SINCE JAN 1 9.70 8.36
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 45 2
SINCE JUL 1 81 47
COOLING
TODAY 2 1
MONTH TO DATE 2 1
SINCE SEP 1 59 91
SINCE JAN 1 233 202
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 39 2:00 PM
AVERAGE 70
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 100 2024
MINIMUM TEMPERATURE (F) 49 36 2019
SUNRISE AND SUNSET
OCTOBER 1 2026.......SUNRISE 7:05 AM PDT SUNSET 6:52 PM PDT
OCTOBER 2 2026.......SUNRISE 7:06 AM PDT SUNSET 6:50 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$