898
CDUS46 KMTR 260839
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT SAT JUL 26 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 25 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 4:57 PM 98 2014 78 -5 85
MINIMUM 55 12:08 AM 47 2008 55 0 58
AVERAGE 64 67 -3 72
PRECIPITATION (IN)
YESTERDAY T 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 0
MONTH TO DATE 34 0
SINCE JUN 1 98 37
SINCE JUL 1 34 0
COOLING
YESTERDAY 0 7
MONTH TO DATE 9 151
SINCE JUN 1 17 207
SINCE JAN 1 34 217
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 14.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 55 3:00 PM
AVERAGE 76
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 93 2008
MINIMUM TEMPERATURE (F) 55 48 2016
SUNRISE AND SUNSET
JULY 26 2025..........SUNRISE 6:07 AM PDT SUNSET 8:24 PM PDT
JULY 27 2025..........SUNRISE 6:08 AM PDT SUNSET 8:23 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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