452
CDUS46 KMTR 280825
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT MON JUL 28 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 27 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 73 5:49 PM 89 2015 78 -5 69
2021
MINIMUM 55 6:48 AM 49 2000 55 0 56
2015
AVERAGE 64 67 -3 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T 0.00
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
YESTERDAY 1 2
MONTH TO DATE 35 4
SINCE JUN 1 99 41
SINCE JUL 1 35 4
COOLING
YESTERDAY 0 0
MONTH TO DATE 10 151
SINCE JUN 1 18 207
SINCE JAN 1 35 217
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 AM
LOWEST 55 5:00 PM
AVERAGE 76
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 2015
MINIMUM TEMPERATURE (F) 55 49 2016
SUNRISE AND SUNSET
JULY 28 2025..........SUNRISE 6:09 AM PDT SUNSET 8:22 PM PDT
JULY 29 2025..........SUNRISE 6:10 AM PDT SUNSET 8:21 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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