129
CDUS46 KMTR 010827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI AUG 01 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 31 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 76 4:52 PM 91 2000 79 -3 79
MINIMUM 58 5:49 AM 30 2017 55 3 56
AVERAGE 67 67 0 68
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 0 0
MONTH TO DATE 38 5
SINCE JUN 1 102 42
SINCE JUL 1 38 5
COOLING
YESTERDAY 2 3
MONTH TO DATE 12 158
SINCE JUN 1 20 214
SINCE JAN 1 37 224
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WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.2
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 56 2:00 PM
AVERAGE 75
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 92 2000
MINIMUM TEMPERATURE (F) 55 48 2008
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 6:12 AM PDT SUNSET 8:18 PM PDT
AUGUST 2 2025........SUNRISE 6:13 AM PDT SUNSET 8:17 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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