Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 090826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU OCT 09 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 70 3:29 PM 91 2016 78 -8 83
MINIMUM 53 11:59 PM 40 2010 47 6 56
AVERAGE 62 62 0 70
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 3 0
MONTH TO DATE 8 0
SINCE SEP 1 10 26
SINCE JUL 1 55 39
COOLING
YESTERDAY 0 5
MONTH TO DATE 9 77
SINCE SEP 1 99 135
SINCE JAN 1 210 436
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 68 4:00 PM
AVERAGE 84
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 89 2015
MINIMUM TEMPERATURE (F) 47 37 2008
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 7:13 AM PDT SUNSET 6:39 PM PDT
OCTOBER 10 2025.......SUNRISE 7:14 AM PDT SUNSET 6:38 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$