Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 010829
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT MON SEP 01 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 31 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 99 2:40 PM 100 2017 85 14 82
MINIMUM 49 5:55 AM 43 2008 51 -2 49
AVERAGE 74 68 6 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2010 0.00 0.00 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 1
MONTH TO DATE 159 145
SINCE JUN 1 242 475
SINCE JAN 1 279 504
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 3.7
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 93 6:00 AM
LOWEST 13 3:00 PM
AVERAGE 53
..........................................................
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 2025.....SUNRISE 6:41 AM PDT SUNSET 7:41 PM PDT
SEPTEMBER 2 2025.....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.
$$