Climatological Report (Daily)
Issued by NWS
Issued by NWS
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802
CDUS46 KMTR 210045
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
545 PM PDT FRI SEP 20 2024
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 3:01 PM 97 2011 80 -10 73
MINIMUM 54 6:48 AM 38 2004 50 4 59
AVERAGE 62 65 -3 66
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE T 0.01
SINCE OCT 1 19.88 29.52
SINCE JAN 1 13.84 21.10
DEGREE DAYS
HEATING
TODAY 3 0
MONTH TO DATE 18 1
SINCE SEP 1 18 1
SINCE JUL 1 31 9
COOLING
TODAY 0 1
MONTH TO DATE 36 46
SINCE SEP 1 36 46
SINCE JAN 1 337 319
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 65 2:00 PM
AVERAGE 79
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 102 2003
MINIMUM TEMPERATURE (F) 50 41 2012
2017
SUNRISE AND SUNSET
SEPTEMBER 20 2024.....SUNRISE 6:56 AM PDT SUNSET 7:08 PM PDT
SEPTEMBER 21 2024.....SUNRISE 6:57 AM PDT SUNSET 7:07 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$