Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 200827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SUN APR 20 2025
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 19 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 3:01 PM 87 2009 69 -5 66
MINIMUM 42 1:28 AM 33 2007 44 -2 49
AVERAGE 53 56 -3 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.23 0.96
SINCE OCT 1 15.85 19.19
SINCE JAN 1 7.87 13.15
DEGREE DAYS
HEATING
YESTERDAY 12 7
MONTH TO DATE 172 187
SINCE MAR 1 573 558
SINCE JUL 1 2428 2206
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE MAR 1 2 0
SINCE JAN 1 2 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 72 4:00 PM
AVERAGE 86
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 90 2009
MINIMUM TEMPERATURE (F) 44 33 2008
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 6:26 AM PDT SUNSET 7:50 PM PDT
APRIL 21 2025.........SUNRISE 6:25 AM PDT SUNSET 7:51 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$