Climatological Report (Daily)
Issued by NWS
Issued by NWS
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782
CDUS46 KMTR 040830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT SAT OCT 04 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 74 3:20 PM 94 2014 78 -4 93
MINIMUM 54 11:50 PM 38 2005 48 6 53
AVERAGE 64 63 1 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.08 0.00
SINCE OCT 1 0.08 0.00
SINCE JAN 1 8.40 13.84
DEGREE DAYS
HEATING
YESTERDAY 1 0
MONTH TO DATE 1 0
SINCE SEP 1 3 26
SINCE JUL 1 48 39
COOLING
YESTERDAY 0 8
MONTH TO DATE 3 31
SINCE SEP 1 93 89
SINCE JAN 1 204 390
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 53 1:00 PM
AVERAGE 75
..........................................................
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 2025.......SUNRISE 7:08 AM PDT SUNSET 6:47 PM PDT
OCTOBER 5 2025.......SUNRISE 7:09 AM PDT SUNSET 6:45 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$