Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 010039
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
539 PM PDT MON AUG 31 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
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)
TODAY 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
TODAY 2 0
MONTH TO DATE 5 0
SINCE JUN 1 33 61
SINCE JUL 1 13 17
COOLING
TODAY 0 9
MONTH TO DATE 119 159
SINCE JUN 1 302 242
SINCE JAN 1 341 279
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 48 2:00 PM
AVERAGE 74
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 110 2017
MINIMUM TEMPERATURE (F) 51 46 1999
2022
SUNRISE AND SUNSET
AUGUST 31 2026........SUNRISE 6:40 AM PDT SUNSET 7:42 PM PDT
SEPTEMBER 1 2026.....SUNRISE 6:41 AM PDT SUNSET 7:41 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$