Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 170830
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT FRI OCT 17 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 16 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 73 3:35 PM 101 2020 77 -4 83
MINIMUM 48 11:59 PM 36 2013 46 2 51
AVERAGE 61 62 -1 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.26 2007 0.05 -0.05 T
MONTH TO DATE 1.64 0.55 1.09 0.22
SINCE OCT 1 1.64 0.55 1.09 0.22
SINCE JAN 1 17.54 22.34 -4.80 25.71
DEGREE DAYS
HEATING
YESTERDAY 4 0
MONTH TO DATE 67 7
SINCE SEP 1 70 18
SINCE JUL 1 87 27
COOLING
YESTERDAY 0 2
MONTH TO DATE 9 104
SINCE SEP 1 122 198
SINCE JAN 1 401 702
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 46 3:00 PM
AVERAGE 73
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 98 2020
MINIMUM TEMPERATURE (F) 45 37 2021
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:23 AM PDT SUNSET 6:30 PM PDT
OCTOBER 18 2025.......SUNRISE 7:24 AM PDT SUNSET 6:28 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$