Climatological Report (Daily)
Issued by NWS
Issued by NWS
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975
CDUS46 KMTR 200825
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT SUN SEP 20 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 84 2:18 PM 104 2000 83 1 81
MINIMUM 49 4:01 AM 41 2008 49 0 56
AVERAGE 67 66 1 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.12 2010 0.00 0.00 0.01
MONTH TO DATE 0.24 0.04 0.20 0.14
SINCE OCT 1 26.54 33.69 -7.15 41.26
SINCE JAN 1 13.65 21.70 -8.05 15.67
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 11 0
SINCE SEP 1 11 0
SINCE JUL 1 24 17
COOLING
YESTERDAY 2 4
MONTH TO DATE 53 73
SINCE SEP 1 53 73
SINCE JAN 1 394 352
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 38 2:00 PM
AVERAGE 69
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 2003
MINIMUM TEMPERATURE (F) 49 40 2004
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 6:57 AM PDT SUNSET 7:11 PM PDT
SEPTEMBER 21 2026.....SUNRISE 6:58 AM PDT SUNSET 7:10 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$