457
CDUS46 KMTR 210038
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
538 PM PDT THU MAR 20 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 20 2025
VALID TODAY AS OF 0500 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 64 3:29 PM 83 2004 65 -1 68
MINIMUM 38 4:16 AM 32 2021 42 -4 39
AVERAGE 51 53 -2 54
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 1.32 1.24
SINCE OCT 1 15.27 16.91
SINCE JAN 1 7.29 10.87
DEGREE DAYS
HEATING
TODAY 14 11
MONTH TO DATE 299 241
SINCE MAR 1 299 241
SINCE JUL 1 2154 1889
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE MAR 1 0 0
SINCE JAN 1 0 0
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WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 48 3:00 PM
AVERAGE 74
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THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 76 2000
MINIMUM TEMPERATURE (F) 42 31 2008
SUNRISE AND SUNSET
MARCH 20 2025.........SUNRISE 7:12 AM PDT SUNSET 7:21 PM PDT
MARCH 21 2025.........SUNRISE 7:10 AM PDT SUNSET 7:22 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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