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CDUS46 KMTR 180836
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN OCT 18 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 4:54 PM 95 2020 76 11 75
MINIMUM 46 7:11 AM 37 2006 46 0 42
AVERAGE 67 61 6 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.00 1.25
SINCE OCT 1 0.00 1.25
SINCE JAN 1 9.70 9.57
DEGREE DAYS
HEATING
YESTERDAY 0 6
MONTH TO DATE 42 72
SINCE SEP 1 87 74
SINCE JUL 1 123 119
COOLING
YESTERDAY 2 0
MONTH TO DATE 54 9
SINCE SEP 1 111 99
SINCE JAN 1 285 210
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 1:00 AM
LOWEST 19 4:00 PM
AVERAGE 49
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 2020
MINIMUM TEMPERATURE (F) 46 37 1998
2017
SUNRISE AND SUNSET
OCTOBER 18 2026.......SUNRISE 7:21 AM PDT SUNSET 6:27 PM PDT
OCTOBER 19 2026.......SUNRISE 7:22 AM PDT SUNSET 6:25 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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