Climatological Report (Daily)
Issued by NWS
Issued by NWS
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773
CDUS46 KMTR 110833
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT WED SEP 11 2024
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 2:34 PM 96 2017 81 -8 80
MINIMUM 52 11:30 PM 40 2005 52 0 50
AVERAGE 63 66 -3 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.01
SINCE OCT 1 19.88 29.52
SINCE JAN 1 13.84 21.10
DEGREE DAYS
HEATING
YESTERDAY 2 0
MONTH TO DATE 2 0
SINCE SEP 1 2 0
SINCE JUL 1 15 8
COOLING
YESTERDAY 0 0
MONTH TO DATE 31 23
SINCE SEP 1 31 23
SINCE JAN 1 332 296
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 57 4:00 PM
AVERAGE 75
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 2017
MINIMUM TEMPERATURE (F) 52 40 2005
SUNRISE AND SUNSET
SEPTEMBER 11 2024.....SUNRISE 6:48 AM PDT SUNSET 7:22 PM PDT
SEPTEMBER 12 2024.....SUNRISE 6:49 AM PDT SUNSET 7:21 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$