Climatological Report (Daily)
Issued by NWS
Issued by NWS
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194
CDUS46 KMTR 300844
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT TUE SEP 30 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 71 11:48 AM 98 2010 81 -10 81
MINIMUM 59 6:42 AM 40 2007 48 11 52
2019
AVERAGE 65 65 0 67
PRECIPITATION (IN)
YESTERDAY 0.19R 0.10 2018 0.01 0.18 0.00
MONTH TO DATE 0.33 0.12 0.21 0.00
SINCE OCT 1 41.45 33.77 7.68 37.05
SINCE JAN 1 15.86 21.78 -5.92 25.49
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 2 11
SINCE SEP 1 2 11
SINCE JUL 1 19 20
COOLING
YESTERDAY 0 2
MONTH TO DATE 113 88
SINCE SEP 1 113 88
SINCE JAN 1 392 592
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 3.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 8:00 PM
LOWEST 61 12:00 PM
AVERAGE 81
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 99 2001
MINIMUM TEMPERATURE (F) 48 37 2019
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 7:07 AM PDT SUNSET 6:55 PM PDT
OCTOBER 1 2025.......SUNRISE 7:07 AM PDT SUNSET 6:53 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$