Climatological Report (Daily)
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Issued by NWS
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938
CDUS46 KMTR 310830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1230 AM PST FRI JAN 31 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JANUARY 30 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 51 4:18 PM 66 2020 58 -7 64
MINIMUM 32 1:17 AM 23 2002 39 -7 48
AVERAGE 42 49 -7 56
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.28 3.19
SINCE OCT 1 8.26 9.23
SINCE JAN 1 0.28 3.19
DEGREE DAYS
HEATING
YESTERDAY 23 9
MONTH TO DATE 512 432
SINCE DEC 1 897 843
SINCE JUL 1 1437 1249
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 0 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 65 4:00 PM
AVERAGE 83
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 72 2015
MINIMUM TEMPERATURE (F) 39 23 2001
SUNRISE AND SUNSET
JANUARY 31 2025.......SUNRISE 7:14 AM PST SUNSET 5:31 PM PST
FEBRUARY 1 2025......SUNRISE 7:14 AM PST SUNSET 5:32 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$