400
CDUS46 KMTR 210826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT MON JUL 21 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 20 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 69 3:51 PM 89 2011 78 -9 82
MINIMUM 55 12:17 AM 47 2016 55 0 60
AVERAGE 62 67 -5 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
YESTERDAY 3 0
MONTH TO DATE 31 0
SINCE JUN 1 95 37
SINCE JUL 1 31 0
COOLING
YESTERDAY 0 6
MONTH TO DATE 8 121
SINCE JUN 1 16 177
SINCE JAN 1 33 187
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 63 6:00 PM
AVERAGE 78
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 2012
MINIMUM TEMPERATURE (F) 55 48 2001
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 6:03 AM PDT SUNSET 8:28 PM PDT
JULY 22 2025..........SUNRISE 6:04 AM PDT SUNSET 8:27 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page