Climatological Report (Daily)
Issued by NWS
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337
CDUS46 KMTR 040842
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
142 AM PDT THU SEP 04 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 1:50 PM 100 2017 85 -2 100
2024
MINIMUM 56 11:59 PM 43 2000 51 5 48
AVERAGE 70 68 2 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 2003 0.00 0.00 0.00
MONTH TO DATE 0.00 0.00 0.00 0.00
SINCE OCT 1 41.12 33.65 7.47 37.05
SINCE JAN 1 15.53 21.66 -6.13 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 5 9
MONTH TO DATE 20 11
SINCE SEP 1 20 11
SINCE JAN 1 299 515
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 40 1:00 PM
AVERAGE 67
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 103 2022
MINIMUM TEMPERATURE (F) 51 42 2016
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:44 AM PDT SUNSET 7:36 PM PDT
SEPTEMBER 5 2025.....SUNRISE 6:44 AM PDT SUNSET 7:34 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$