108
CDUS46 KMTR 070839
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1239 AM PST SUN DEC 07 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 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 48 4:29 PM 71 2024 58 -10 71
MINIMUM 37 2:31 AM 22 2013 37 0 37
AVERAGE 43 48 -5 54
PRECIPITATION (IN)
YESTERDAY 0.00 1.56 2004 0.20 -0.20 0.00
MONTH TO DATE 0.00 1.16 -1.16 0.01
SINCE OCT 1 6.84 6.39 0.45 15.92
SINCE JAN 1 22.74 28.18 -5.44 41.41
DEGREE DAYS
HEATING
YESTERDAY 22 11
MONTH TO DATE 106 69
SINCE DEC 1 106 69
SINCE JUL 1 551 577
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 401 705
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WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 1.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 89 4:00 PM
AVERAGE 95
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THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 77 2020
MINIMUM TEMPERATURE (F) 37 25 2009
SUNRISE AND SUNSET
DECEMBER 7 2025......SUNRISE 7:16 AM PST SUNSET 4:50 PM PST
DECEMBER 8 2025......SUNRISE 7:16 AM PST SUNSET 4:50 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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