Climatological Report (Daily)
Issued by NWS
Issued by NWS
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009
CDUS46 KMTR 040833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT SUN OCT 04 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 96R 4:25 PM 94 2014 78 18 74
MINIMUM 53 5:17 AM 38 2005 48 5 54
AVERAGE 75 63 12 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.08
SINCE OCT 1 0.00 0.08
SINCE JAN 1 9.70 8.40
DEGREE DAYS
HEATING
YESTERDAY 0 1
MONTH TO DATE 0 1
SINCE SEP 1 45 3
SINCE JUL 1 81 48
COOLING
YESTERDAY 10 0
MONTH TO DATE 14 3
SINCE SEP 1 71 93
SINCE JAN 1 245 204
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 22 4:00 PM
AVERAGE 58
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 2014
2023
MINIMUM TEMPERATURE (F) 48 35 2009
SUNRISE AND SUNSET
OCTOBER 4 2026.......SUNRISE 7:08 AM PDT SUNSET 6:47 PM PDT
OCTOBER 5 2026.......SUNRISE 7:09 AM PDT SUNSET 6:46 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$