Climatological Report (Daily)
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819
CDUS46 KMTR 100834
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT FRI JUL 10 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 9 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 77 4:08 PM 100 2002 79 -2 77
MINIMUM 54 12:06 AM 45 2009 54 0 55
AVERAGE 66 67 -1 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 15 22
SINCE JUN 1 36 86
SINCE JUL 1 15 22
COOLING
YESTERDAY 1 1
MONTH TO DATE 1 1
SINCE JUN 1 40 9
SINCE JAN 1 57 26
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 9.1
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 6:00 AM
LOWEST 56 3:00 PM
AVERAGE 75
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 92 2002
MINIMUM TEMPERATURE (F) 55 46 2016
SUNRISE AND SUNSET
JULY 10 2026..........SUNRISE 5:55 AM PDT SUNSET 8:34 PM PDT
JULY 11 2026..........SUNRISE 5:55 AM PDT SUNSET 8:34 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$