372
CDUS46 KMTR 090831
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT SAT MAY 09 2026
...............................
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 8 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 71 3:23 PM 92 2001 72 -1 80
2021
MINIMUM 52 11:54 PM 36 1999 47 5 45
AVERAGE 62 59 3 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.37 T
SINCE OCT 1 16.76 15.88
SINCE JAN 1 9.33 7.90
DEGREE DAYS
HEATING
YESTERDAY 3 2
MONTH TO DATE 43 45
SINCE MAR 1 450 711
SINCE JUL 1 2248 2566
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 5
SINCE MAR 1 8 7
SINCE JAN 1 8 7
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.7
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 97 12:00 AM
LOWEST 63 3:00 PM
AVERAGE 80
......................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 87 2025
MINIMUM TEMPERATURE (F) 47 33 2003
SUNRISE AND SUNSET
MAY 9 2026...........SUNRISE 6:04 AM PDT SUNSET 8:08 PM PDT
MAY 10 2026...........SUNRISE 6:03 AM PDT SUNSET 8:09 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