Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 190827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT THU SEP 19 2024
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 4:51 PM 98 2016 80 -7 79
MINIMUM 54 11:58 PM 38 2008 51 3 56
AVERAGE 64 66 -2 68
PRECIPITATION (IN)
YESTERDAY T 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
YESTERDAY 1 0
MONTH TO DATE 13 0
SINCE SEP 1 13 0
SINCE JUL 1 26 8
COOLING
YESTERDAY 0 3
MONTH TO DATE 36 45
SINCE SEP 1 36 45
SINCE JAN 1 337 318
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.6
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 93 7:00 AM
LOWEST 57 5:00 PM
AVERAGE 75
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 2002
MINIMUM TEMPERATURE (F) 51 41 2008
SUNRISE AND SUNSET
SEPTEMBER 19 2024.....SUNRISE 6:55 AM PDT SUNSET 7:10 PM PDT
SEPTEMBER 20 2024.....SUNRISE 6:56 AM PDT SUNSET 7:08 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$