Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 180833
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT SAT OCT 18 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 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 80 2:53 PM 98 2020 77 3 77
MINIMUM 45 7:04 AM 37 2021 45 0 42
AVERAGE 63 61 2 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.34 2004 0.06 -0.06 0.00
MONTH TO DATE 1.64 0.61 1.03 0.22
SINCE OCT 1 1.64 0.61 1.03 0.22
SINCE JAN 1 17.54 22.40 -4.86 25.71
DEGREE DAYS
HEATING
YESTERDAY 2 5
MONTH TO DATE 69 12
SINCE SEP 1 72 23
SINCE JUL 1 89 32
COOLING
YESTERDAY 0 0
MONTH TO DATE 9 104
SINCE SEP 1 122 198
SINCE JAN 1 401 702
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.8
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
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 32 2:00 PM
AVERAGE 66
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 93 2023
MINIMUM TEMPERATURE (F) 45 35 1999
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 7:24 AM PDT SUNSET 6:28 PM PDT
OCTOBER 19 2025.......SUNRISE 7:25 AM PDT SUNSET 6:27 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$