Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 300830
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT SUN AUG 30 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 4:30 PM 99 2009 81 -7 79
MINIMUM 51 5:13 AM 46 2005 53 -2 54
AVERAGE 63 67 -4 67
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 2 0
MONTH TO DATE 8 7
SINCE JUN 1 52 109
SINCE JUL 1 31 45
COOLING
YESTERDAY 0 2
MONTH TO DATE 41 58
SINCE JUN 1 157 78
SINCE JAN 1 174 95
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.9
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 6:00 AM
LOWEST 55 2:00 PM
AVERAGE 76
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 96 2023
MINIMUM TEMPERATURE (F) 53 44 2010
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 6:37 AM PDT SUNSET 7:41 PM PDT
AUGUST 31 2026........SUNRISE 6:38 AM PDT SUNSET 7:40 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$