Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 210033
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT WED AUG 20 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 97R 2:42 PM 95 2022 85 12 90
MINIMUM 51 6:12 AM 47 2000 52 -1 50
AVERAGE 74 68 6 70
PRECIPITATION (IN)
TODAY 0.00 T 2014 0.01 -0.01 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
TODAY 0 0
MONTH TO DATE 0 0
SINCE JUN 1 61 13
SINCE JUL 1 17 5
COOLING
TODAY 9 5
MONTH TO DATE 102 106
SINCE JUN 1 185 436
SINCE JAN 1 222 465
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 24 2:00 PM
AVERAGE 59
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 97 2019
MINIMUM TEMPERATURE (F) 52 45 2001
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:30 AM PDT SUNSET 7:58 PM PDT
AUGUST 21 2025........SUNRISE 6:31 AM PDT SUNSET 7:57 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$