Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 170828
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT SUN AUG 17 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 16 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 90 4:23 PM 104 2015 84 6 92
MINIMUM 57 5:44 AM 47 2009 52 5 52
AVERAGE 74 68 6 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.06 2020 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 9 7
MONTH TO DATE 88 96
SINCE JUN 1 171 426
SINCE JAN 1 208 455
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 35 4:00 PM
AVERAGE 64
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 2015
MINIMUM TEMPERATURE (F) 52 44 2009
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:28 AM PDT SUNSET 8:02 PM PDT
AUGUST 18 2025........SUNRISE 6:29 AM PDT SUNSET 8:01 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$