Climatological Report (Daily)
Issued by NWS
Issued by NWS
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063
CDUS46 KMTR 300838
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT WED SEP 30 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 97 2:31 PM 98 2010 81 16 71
MINIMUM 45 6:25 AM 40 2007 48 -3 59
2019
AVERAGE 71 65 6 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.19 2025 0.01 -0.01 0.19
MONTH TO DATE 0.24 0.12 0.12 0.33
SINCE OCT 1 26.54 33.77 -7.23 41.45
SINCE JAN 1 13.65 21.78 -8.13 15.86
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 23 2
SINCE SEP 1 23 2
SINCE JUL 1 36 19
COOLING
YESTERDAY 6 0
MONTH TO DATE 71 113
SINCE SEP 1 71 113
SINCE JAN 1 412 392
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 14 1:00 PM
AVERAGE 57
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 99 2001
MINIMUM TEMPERATURE (F) 48 37 2019
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 7:06 AM PDT SUNSET 6:55 PM PDT
OCTOBER 1 2026.......SUNRISE 7:07 AM PDT SUNSET 6:54 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$