325
CDUS46 KMTR 190834
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT SUN OCT 19 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR OCTOBER 18 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 4:11 PM 91 2020 75 5 82
MINIMUM 50 6:45 AM 37 1998 46 4 54
2017
AVERAGE 65 60 5 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 1.25 T
SINCE OCT 1 1.25 T
SINCE JAN 1 9.57 13.84
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 72 25
SINCE SEP 1 74 51
SINCE JUL 1 119 64
COOLING
YESTERDAY 0 3
MONTH TO DATE 9 85
SINCE SEP 1 99 143
SINCE JAN 1 210 444
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WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (80)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 4.2
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 93 2:00 AM
LOWEST 39 2:00 PM
AVERAGE 66
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THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 95 2023
MINIMUM TEMPERATURE (F) 45 37 2021
SUNRISE AND SUNSET
OCTOBER 19 2025.......SUNRISE 7:22 AM PDT SUNSET 6:25 PM PDT
OCTOBER 20 2025.......SUNRISE 7:23 AM PDT SUNSET 6:24 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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