846
CDUS46 KMTR 140837
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1237 AM PST SUN DEC 14 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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 50 3:43 PM 63 2013 57 -7 55
MINIMUM 34 9:05 PM 25 2013 37 -3 48
AVERAGE 42 47 -5 52
PRECIPITATION (IN)
YESTERDAY 0.00 4.60 2002 0.22 -0.22 1.98
MONTH TO DATE 0.00 2.68 -2.68 2.99
SINCE OCT 1 6.84 7.91 -1.07 18.90
SINCE JAN 1 22.74 29.70 -6.96 44.39
DEGREE DAYS
HEATING
YESTERDAY 23 13
MONTH TO DATE 242 178
SINCE DEC 1 242 178
SINCE JUL 1 687 686
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 N (20)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 1.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 80 4:00 PM
AVERAGE 90
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THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 66 2017
MINIMUM TEMPERATURE (F) 37 25 2008
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 7:21 AM PST SUNSET 4:51 PM PST
DECEMBER 15 2025......SUNRISE 7:22 AM PST SUNSET 4:52 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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