Climatological Report (Daily)
Issued by NWS
Issued by NWS
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729
CDUS46 KMTR 300040
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
540 PM PDT FRI AUG 29 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 29 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 86 1:51 PM 101 2009 85 1 79
MINIMUM 50 3:14 AM 45 2005 51 -1 54
AVERAGE 68 68 0 67
PRECIPITATION (IN)
TODAY 0.00 0.03 2015 0.00 0.00 0.00
MONTH TO DATE T 0.04 -0.04 0.08
SINCE OCT 1 41.12 33.64 7.48 37.05
SINCE JAN 1 15.53 21.65 -6.12 25.49
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 0 4
SINCE JUN 1 61 17
SINCE JUL 1 17 9
COOLING
TODAY 3 2
MONTH TO DATE 141 141
SINCE JUN 1 224 471
SINCE JAN 1 261 500
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 36 1:00 PM
AVERAGE 68
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 98 2023
MINIMUM TEMPERATURE (F) 51 42 2010
SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE 6:38 AM PDT SUNSET 7:45 PM PDT
AUGUST 30 2025........SUNRISE 6:39 AM PDT SUNSET 7:44 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$