Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 310835
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT SUN AUG 31 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 30 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 98R 3:49 PM 98 2023 85 13 83
MINIMUM 50 5:40 AM 42 2010 51 -1 53
AVERAGE 74 68 6 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.00 2000 0.01 -0.01 0.00
MONTH TO DATE T 0.05 -0.05 0.08
SINCE OCT 1 41.12 33.65 7.47 37.05
SINCE JAN 1 15.53 21.66 -6.13 25.49
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 4
SINCE JUN 1 61 17
SINCE JUL 1 17 9
COOLING
YESTERDAY 9 3
MONTH TO DATE 150 144
SINCE JUN 1 233 474
SINCE JAN 1 270 503
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 14 1:00 PM
AVERAGE 56
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 2017
MINIMUM TEMPERATURE (F) 51 43 2008
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:40 AM PDT SUNSET 7:42 PM PDT
SEPTEMBER 1 2025.....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.
$$