Climatological Report (Daily)
Issued by NWS
Issued by NWS
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913
CDUS46 KMTR 190041
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
441 PM PST TUE NOV 18 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 62 3:49 PM 78 2005 64 -2 60
MINIMUM 47 8:27 AM 26 2000 40 7 35
AVERAGE 55 52 3 48
PRECIPITATION (IN)
TODAY 0.01 0.00
MONTH TO DATE 1.91 0.74
SINCE OCT 1 3.22 0.75
SINCE JAN 1 11.54 14.59
DEGREE DAYS
HEATING
TODAY 10 17
MONTH TO DATE 98 219
SINCE SEP 1 229 360
SINCE JUL 1 274 373
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 100 143
SINCE JAN 1 211 444
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 62 2:00 PM
AVERAGE 79
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 72 2005
MINIMUM TEMPERATURE (F) 40 29 2009
SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE 6:54 AM PST SUNSET 4:54 PM PST
NOVEMBER 19 2025......SUNRISE 6:55 AM PST SUNSET 4:54 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$