387
CDUS46 KMTR 170827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT WED MAY 17 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 16 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 3:45 PM 95 2009 73 7 76
MINIMUM 52 4:32 AM 37 1999 48 4 52
AVERAGE 66 60 6 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.70 0.00
SINCE OCT 1 29.49 17.71
SINCE JAN 1 21.07 2.57
DEGREE DAYS
HEATING
YESTERDAY 0 1
MONTH TO DATE 110 108
SINCE MAR 1 794 781
SINCE JUL 1 2824 2853
COOLING
YESTERDAY 1 0
MONTH TO DATE 6 2
SINCE MAR 1 9 9
SINCE JAN 1 9 9
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 56 3:00 PM
AVERAGE 75
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 2009
MINIMUM TEMPERATURE (F) 48 41 1999
2018
SUNRISE AND SUNSET
MAY 17 2023...........SUNRISE 5:57 AM PDT SUNSET 8:15 PM PDT
MAY 18 2023...........SUNRISE 5:56 AM PDT SUNSET 8:16 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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