671
CDUS46 KMTR 160827
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SAT SEP 16 2023
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 75 3:35 PM 91 2004 81 -6 76
MINIMUM 61 11:59 PM 39 2006 51 10 50
AVERAGE 68 66 2 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.01 0.00
SINCE OCT 1 29.52 17.99
SINCE JAN 1 21.10 2.85
DEGREE DAYS
HEATING
YESTERDAY 0 2
MONTH TO DATE 0 2
SINCE SEP 1 0 2
SINCE JUL 1 8 17
COOLING
YESTERDAY 3 0
MONTH TO DATE 33 138
SINCE SEP 1 33 138
SINCE JAN 1 306 449
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.3
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 2:00 AM
LOWEST 57 3:00 PM
AVERAGE 71
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 85 2004
MINIMUM TEMPERATURE (F) 51 38 2006
SUNRISE AND SUNSET
SEPTEMBER 16 2023.....SUNRISE 6:52 AM PDT SUNSET 7:16 PM PDT
SEPTEMBER 17 2023.....SUNRISE 6:52 AM PDT SUNSET 7:14 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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