Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 290837
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT TUE SEP 29 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 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 80 1:52 PM 104 2010 82 -2 74
MINIMUM 44 1:09 AM 42 2001 48 -4 60
AVERAGE 62 65 -3 67
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 1999 0.01 -0.01 T
MONTH TO DATE 0.24 0.11 0.13 0.14
SINCE OCT 1 26.54 33.76 -7.22 41.26
SINCE JAN 1 13.65 21.77 -8.12 15.67
DEGREE DAYS
HEATING
YESTERDAY 3 0
MONTH TO DATE 23 2
SINCE SEP 1 23 2
SINCE JUL 1 36 19
COOLING
YESTERDAY 0 2
MONTH TO DATE 65 113
SINCE SEP 1 65 113
SINCE JAN 1 406 392
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 34 3:00 PM
AVERAGE 67
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 2010
MINIMUM TEMPERATURE (F) 48 40 2007
2019
SUNRISE AND SUNSET
SEPTEMBER 29 2026.....SUNRISE 7:05 AM PDT SUNSET 6:57 PM PDT
SEPTEMBER 30 2026.....SUNRISE 7:06 AM PDT SUNSET 6:55 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$