Climatological Report (Daily)
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Issued by NWS
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964
CDUS46 KMTR 140839
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 AM PDT FRI AUG 14 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 13 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 71 3:53 PM 94 2020 80 -9 79
MINIMUM 55 1:53 AM 43 2007 55 0 58
AVERAGE 63 67 -4 69
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 2 0
MONTH TO DATE 5 5
SINCE JUN 1 49 107
SINCE JUL 1 28 43
COOLING
YESTERDAY 0 4
MONTH TO DATE 21 29
SINCE JUN 1 137 49
SINCE JAN 1 154 66
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 14.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 61 2:00 PM
AVERAGE 76
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 106 2020
MINIMUM TEMPERATURE (F) 55 47 2007
SUNRISE AND SUNSET
AUGUST 14 2026........SUNRISE 6:23 AM PDT SUNSET 8:04 PM PDT
AUGUST 15 2026........SUNRISE 6:24 AM PDT SUNSET 8:02 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$