Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 130838
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT THU AUG 13 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 12 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 2:24 PM 102 2009 84 -6 80
MINIMUM 54 7:07 AM 46 2009 52 2 55
AVERAGE 66 68 -2 68
PRECIPITATION (IN)
YESTERDAY 0.00 T 2012 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 T
SINCE OCT 1 26.30 33.61 -7.31 41.12
SINCE JAN 1 13.41 21.62 -8.21 15.53
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE JUN 1 28 61
SINCE JUL 1 8 17
COOLING
YESTERDAY 1 3
MONTH TO DATE 56 62
SINCE JUN 1 239 145
SINCE JAN 1 278 182
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 47 3:00 PM
AVERAGE 72
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 97 2020
MINIMUM TEMPERATURE (F) 52 44 2007
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 6:24 AM PDT SUNSET 8:08 PM PDT
AUGUST 14 2026........SUNRISE 6:25 AM PDT SUNSET 8:06 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$