284
CDUS46 KMTR 190843
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
143 AM PDT SAT AUG 19 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 78 2:26 PM 94 2020 80 -2 83
MINIMUM 63 11:59 PM 46 2007 54 9 55
AVERAGE 71 67 4 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 0.01
SINCE OCT 1 29.51 17.99
SINCE JAN 1 21.09 2.85
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 1 0
SINCE JUN 1 58 33
SINCE JUL 1 8 15
COOLING
YESTERDAY 6 4
MONTH TO DATE 87 96
SINCE JUN 1 189 234
SINCE JAN 1 198 267
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 12:00 AM
LOWEST 56 3:00 PM
AVERAGE 70
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 84 2013
MINIMUM TEMPERATURE (F) 54 48 1999
SUNRISE AND SUNSET
AUGUST 19 2023........SUNRISE 6:27 AM PDT SUNSET 7:57 PM PDT
AUGUST 20 2023........SUNRISE 6:28 AM PDT SUNSET 7:56 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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