671
CDUS46 KMTR 110832
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT TUE AUG 11 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 10 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 74 4:18 PM 93 2002 79 -5 77
MINIMUM 55 4:24 AM 47 2003 55 0 55
AVERAGE 65 67 -2 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.00
SINCE OCT 1 17.03 16.08
SINCE JAN 1 9.60 8.10
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 5
SINCE JUN 1 44 107
SINCE JUL 1 23 43
COOLING
YESTERDAY 0 1
MONTH TO DATE 21 23
SINCE JUN 1 137 43
SINCE JAN 1 154 60
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 53 3:00 PM
AVERAGE 73
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 92 1998
MINIMUM TEMPERATURE (F) 55 45 2005
SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE 6:21 AM PDT SUNSET 8:07 PM PDT
AUGUST 12 2026........SUNRISE 6:21 AM PDT SUNSET 8:06 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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