Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220828
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT FRI AUG 22 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 100R 2:50 PM 97 2019 85 15 86
MINIMUM 51 5:45 AM 45 2001 52 -1 49
AVERAGE 76 68 8 68
PRECIPITATION (IN)
YESTERDAY 0.00 T 2021 0.00 0.00 0.00
2023
MONTH TO DATE T 0.02 -0.02 0.00
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 11 3
MONTH TO DATE 113 109
SINCE JUN 1 196 439
SINCE JAN 1 233 468
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 5:00 AM
LOWEST 21 2:00 PM
AVERAGE 55
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 2022
MINIMUM TEMPERATURE (F) 52 46 2006
SUNRISE AND SUNSET
AUGUST 22 2025........SUNRISE 6:32 AM PDT SUNSET 7:55 PM PDT
AUGUST 23 2025........SUNRISE 6:33 AM PDT SUNSET 7:54 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$