Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 010829
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT MON JUN 01 2026
...................................
...THE NAPA AIRPORT CLIMATE SUMMARY FOR MAY 31 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 80 2:58 PM 96 2001 76 4 81
MINIMUM 46 6:13 AM 41 2011 50 -4 55
2022
AVERAGE 63 63 0 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.64 0.20
SINCE OCT 1 17.03 16.08
SINCE JAN 1 9.60 8.10
DEGREE DAYS
HEATING
YESTERDAY 2 0
MONTH TO DATE 112 130
SINCE MAR 1 519 796
SINCE JUL 1 2317 2651
COOLING
YESTERDAY 0 3
MONTH TO DATE 9 15
SINCE MAR 1 17 17
SINCE JAN 1 17 17
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.5
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 100 3:00 AM
LOWEST 38 7:00 PM
AVERAGE 69
..........................................................
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 2013
MINIMUM TEMPERATURE (F) 50 40 2008
SUNRISE AND SUNSET
JUNE 1 2026..........SUNRISE 5:48 AM PDT SUNSET 8:27 PM PDT
JUNE 2 2026..........SUNRISE 5:47 AM PDT SUNSET 8:27 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$