Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 230831
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT SAT AUG 23 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 22 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 91 1:49 PM 99 2022 85 6 81
MINIMUM 50 5:31 AM 46 2006 52 -2 51
AVERAGE 71 68 3 66
PRECIPITATION (IN)
YESTERDAY 0.00 T 2019 0.00 0.00 T
2021
2024
MONTH TO DATE T 0.02 -0.02 T
SINCE OCT 1 41.12 33.62 7.50 36.97
SINCE JAN 1 15.53 21.63 -6.10 25.41
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE JUN 1 61 13
SINCE JUL 1 17 5
COOLING
YESTERDAY 6 1
MONTH TO DATE 119 110
SINCE JUN 1 202 440
SINCE JAN 1 239 469
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 27 3:00 PM
AVERAGE 64
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 2010
MINIMUM TEMPERATURE (F) 52 48 1998
SUNRISE AND SUNSET
AUGUST 23 2025........SUNRISE 6:33 AM PDT SUNSET 7:54 PM PDT
AUGUST 24 2025........SUNRISE 6:34 AM PDT SUNSET 7:52 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$