Climatological Report (Daily)
Issued by NWS
Issued by NWS
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182
CDUS46 KMTR 120830
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT TUE AUG 12 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 11 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 83 2:10 PM 97 2004 84 -1 81
MINIMUM 55 11:11 PM 47 2000 52 3 52
AVERAGE 69 68 1 67
PRECIPITATION (IN)
YESTERDAY 0.00 T 2015 0.00 0.00 0.00
MONTH TO DATE T 0.01 -0.01 0.00
SINCE OCT 1 41.12 33.61 7.51 36.97
SINCE JAN 1 15.53 21.62 -6.09 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 4 2
MONTH TO DATE 59 62
SINCE JUN 1 142 392
SINCE JAN 1 179 421
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 42 1:00 PM
AVERAGE 68
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 102 2009
MINIMUM TEMPERATURE (F) 52 46 2009
SUNRISE AND SUNSET
AUGUST 12 2025........SUNRISE 6:23 AM PDT SUNSET 8:09 PM PDT
AUGUST 13 2025........SUNRISE 6:24 AM PDT SUNSET 8:07 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$