198
CDUS46 KMTR 080831
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT MON SEP 08 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 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 2:33 PM 111 2020 85 -2 86
MINIMUM 48 6:21 AM 45 2012 51 -3 49
AVERAGE 66 68 -2 68
PRECIPITATION (IN)
YESTERDAY 0.00 T 2014 0.00 0.00 0.00
MONTH TO DATE T 0.01 -0.01 0.00
SINCE OCT 1 41.12 33.66 7.46 37.05
SINCE JAN 1 15.53 21.67 -6.14 25.49
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 0 0
SINCE JUL 1 17 9
COOLING
YESTERDAY 1 3
MONTH TO DATE 29 35
SINCE SEP 1 29 35
SINCE JAN 1 308 539
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 3.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 33 3:00 PM
AVERAGE 67
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THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 108 2022
MINIMUM TEMPERATURE (F) 50 43 2002
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:47 AM PDT SUNSET 7:30 PM PDT
SEPTEMBER 9 2025.....SUNRISE 6:48 AM PDT SUNSET 7:28 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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