Climatological Report (Daily)
Issued by NWS
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710
CDUS46 KMTR 010841
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
141 AM PDT TUE SEP 01 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 75 2:40 PM 100 2017 85 -10 99
MINIMUM 50 3:02 AM 43 2008 51 -1 49
AVERAGE 63 68 -5 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2010 0.00 0.00 0.00
MONTH TO DATE T 0.05 -0.05 T
SINCE OCT 1 26.30 33.65 -7.35 41.12
SINCE JAN 1 13.41 21.66 -8.25 15.53
DEGREE DAYS
HEATING
YESTERDAY 2 0
MONTH TO DATE 5 0
SINCE JUN 1 33 61
SINCE JUL 1 13 17
COOLING
YESTERDAY 0 9
MONTH TO DATE 119 159
SINCE JUN 1 302 242
SINCE JAN 1 341 279
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 48 2:00 PM
AVERAGE 74
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 110 2017
MINIMUM TEMPERATURE (F) 51 46 1999
2022
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 6:41 AM PDT SUNSET 7:41 PM PDT
SEPTEMBER 2 2026.....SUNRISE 6:42 AM PDT SUNSET 7:39 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$