Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 280835
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT MON SEP 28 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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 77 2:37 PM 102 2010 82 -5 76
2020
MINIMUM 46 11:21 PM 43 2008 48 -2 49
2013
AVERAGE 62 65 -3 63
PRECIPITATION (IN)
YESTERDAY T 0.08 1998 0.01 -0.01 0.00
MONTH TO DATE 0.24 0.10 0.14 0.14
SINCE OCT 1 26.54 33.75 -7.21 41.26
SINCE JAN 1 13.65 21.76 -8.11 15.67
DEGREE DAYS
HEATING
YESTERDAY 3 2
MONTH TO DATE 20 2
SINCE SEP 1 20 2
SINCE JUL 1 33 19
COOLING
YESTERDAY 0 0
MONTH TO DATE 65 111
SINCE SEP 1 65 111
SINCE JAN 1 406 390
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 11:00 PM
LOWEST 39 3:00 PM
AVERAGE 70
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 104 2010
MINIMUM TEMPERATURE (F) 48 42 2001
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 7:05 AM PDT SUNSET 6:58 PM PDT
SEPTEMBER 29 2026.....SUNRISE 7:05 AM PDT SUNSET 6:57 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$