197
CDUS46 KMTR 150838
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT MON SEP 15 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 87 3:38 PM 93 2019 84 3 78
MINIMUM 46 4:15 AM 43 2018 50 -4 47
AVERAGE 67 67 0 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2015 0.01 -0.01 0.00
MONTH TO DATE 0.12 0.03 0.09 0.00
SINCE OCT 1 41.24 33.68 7.56 37.05
SINCE JAN 1 15.65 21.69 -6.04 25.49
DEGREE DAYS
HEATING
YESTERDAY 0 2
MONTH TO DATE 0 3
SINCE SEP 1 0 3
SINCE JUL 1 17 12
COOLING
YESTERDAY 2 0
MONTH TO DATE 42 51
SINCE SEP 1 42 51
SINCE JAN 1 321 555
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 41 1:00 PM
AVERAGE 71
......................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 97 2004
MINIMUM TEMPERATURE (F) 50 44 2006
2017
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:53 AM PDT SUNSET 7:19 PM PDT
SEPTEMBER 16 2025.....SUNRISE 6:54 AM PDT SUNSET 7:17 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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