Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 090826
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT THU OCT 09 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 67 11:53 AM 95 2014 80 -13 93
MINIMUM 53 1:09 AM 39 2007 47 6 51
AVERAGE 60 63 -3 72
PRECIPITATION (IN)
YESTERDAY T 0.02 1998 0.03 -0.03 0.00
MONTH TO DATE 0.32 0.19 0.13 0.00
SINCE OCT 1 0.32 0.19 0.13 0.00
SINCE JAN 1 16.22 21.98 -5.76 25.49
DEGREE DAYS
HEATING
YESTERDAY 5 0
MONTH TO DATE 11 0
SINCE SEP 1 14 11
SINCE JUL 1 31 20
COOLING
YESTERDAY 0 7
MONTH TO DATE 9 95
SINCE SEP 1 122 189
SINCE JAN 1 401 693
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 68 12:00 PM
AVERAGE 84
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 92 1999
MINIMUM TEMPERATURE (F) 47 40 2019
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 7:15 AM PDT SUNSET 6:41 PM PDT
OCTOBER 10 2025.......SUNRISE 7:16 AM PDT SUNSET 6:40 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$