721
CDUS46 KMTR 050032
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
532 PM PDT SUN MAY 04 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 4 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 72 3:44 PM 85 2021 71 1 57
MINIMUM 42 3:51 AM 36 1999 46 -4 46
2020
AVERAGE 57 58 -1 52
PRECIPITATION (IN)
TODAY 0.00 0.69
MONTH TO DATE T 0.69
SINCE OCT 1 15.85 19.88
SINCE JAN 1 7.87 13.84
DEGREE DAYS
HEATING
TODAY 8 13
MONTH TO DATE 28 28
SINCE MAR 1 604 659
SINCE JUL 1 2459 2307
COOLING
TODAY 0 0
MONTH TO DATE 0 0
SINCE MAR 1 2 0
SINCE JAN 1 2 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 51 3:00 PM
AVERAGE 72
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 82 2011
MINIMUM TEMPERATURE (F) 46 37 2003
2020
SUNRISE AND SUNSET
MAY 4 2025...........SUNRISE 6:09 AM PDT SUNSET 8:04 PM PDT
MAY 5 2025...........SUNRISE 6:08 AM PDT SUNSET 8:05 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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