477
CDUS46 KMTR 220840
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
140 AM PDT THU MAY 22 2025
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 21 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 81 3:16 PM 96 2000 74 7 80
MINIMUM 43 5:02 AM 37 2021 49 -6 45
AVERAGE 62 61 1 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.20 0.69
SINCE OCT 1 16.08 19.88
SINCE JAN 1 8.10 13.84
DEGREE DAYS
HEATING
YESTERDAY 3 2
MONTH TO DATE 96 122
SINCE MAR 1 762 753
SINCE JUL 1 2617 2401
COOLING
YESTERDAY 0 0
MONTH TO DATE 7 5
SINCE MAR 1 9 5
SINCE JAN 1 9 5
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 6:00 AM
LOWEST 40 6:00 PM
AVERAGE 68
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2000
MINIMUM TEMPERATURE (F) 49 35 2010
2013
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 5:53 AM PDT SUNSET 8:20 PM PDT
MAY 23 2025...........SUNRISE 5:52 AM PDT SUNSET 8:20 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page