535
CDUS46 KMTR 030831
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT SUN MAY 03 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 2 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 4:24 PM 93 2017 71 -7 70
MINIMUM 52 11:12 PM 37 2002 46 6 49
2012
AVERAGE 58 58 0 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 16.39 15.88
SINCE JAN 1 8.96 7.90
DEGREE DAYS
HEATING
YESTERDAY 7 5
MONTH TO DATE 14 13
SINCE MAR 1 421 679
SINCE JUL 1 2219 2534
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE MAR 1 8 2
SINCE JAN 1 8 2
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 67 4:00 PM
AVERAGE 79
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 93 2021
MINIMUM TEMPERATURE (F) 46 36 2008
SUNRISE AND SUNSET
MAY 3 2026...........SUNRISE 6:10 AM PDT SUNSET 8:02 PM PDT
MAY 4 2026...........SUNRISE 6:09 AM PDT SUNSET 8:03 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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