071
CDUS46 KMTR 040827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT MON MAY 04 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 3 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 66 3:04 PM 93 2021 71 -5 70
MINIMUM 52 11:21 PM 36 2008 46 6 46
AVERAGE 59 58 1 58
PRECIPITATION (IN)
YESTERDAY 0.00 T
MONTH TO DATE 0.00 T
SINCE OCT 1 16.39 15.88
SINCE JAN 1 8.96 7.90
DEGREE DAYS
HEATING
YESTERDAY 6 7
MONTH TO DATE 20 20
SINCE MAR 1 427 686
SINCE JUL 1 2225 2541
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 W (250)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 9:00 PM
LOWEST 59 3:00 PM
AVERAGE 75
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 85 2021
MINIMUM TEMPERATURE (F) 46 36 1999
2020
SUNRISE AND SUNSET
MAY 4 2026...........SUNRISE 6:09 AM PDT SUNSET 8:03 PM PDT
MAY 5 2026...........SUNRISE 6:08 AM PDT SUNSET 8:04 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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