Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220826
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT SAT AUG 22 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 82 3:51 PM 93 2020 81 1 91
MINIMUM 55 4:10 AM 47 2001 54 1 54
AVERAGE 69 67 2 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE T 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 5 7
SINCE JUN 1 49 109
SINCE JUL 1 28 45
COOLING
YESTERDAY 4 8
MONTH TO DATE 26 50
SINCE JUN 1 142 70
SINCE JAN 1 159 87
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 41 3:00 PM
AVERAGE 69
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1999
MINIMUM TEMPERATURE (F) 54 45 2006
SUNRISE AND SUNSET
AUGUST 22 2026........SUNRISE 6:30 AM PDT SUNSET 7:53 PM PDT
AUGUST 23 2026........SUNRISE 6:31 AM PDT SUNSET 7:52 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$