088
CDUS46 KMTR 210834
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT TUE OCT 21 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 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 84 2:15 PM 91 2006 76 8 83
2020
MINIMUM 45 6:42 AM 37 2013 45 0 42
AVERAGE 65 60 5 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.70 2021 0.07 -0.07 0.00
MONTH TO DATE 1.64 0.80 0.84 0.22
SINCE OCT 1 1.64 0.80 0.84 0.22
SINCE JAN 1 17.54 22.59 -5.05 25.71
DEGREE DAYS
HEATING
YESTERDAY 0 2
MONTH TO DATE 73 17
SINCE SEP 1 76 28
SINCE JUL 1 93 37
COOLING
YESTERDAY 0 0
MONTH TO DATE 9 107
SINCE SEP 1 122 201
SINCE JAN 1 401 705
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 2.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 20 3:00 PM
AVERAGE 60
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THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 89 2019
2020
MINIMUM TEMPERATURE (F) 45 37 2017
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 7:27 AM PDT SUNSET 6:24 PM PDT
OCTOBER 22 2025.......SUNRISE 7:28 AM PDT SUNSET 6:23 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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