Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 250838
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT SAT JUL 25 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 24 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 88 3:09 PM 100 2006 83 5 74
MINIMUM 49 4:03 AM 45 2002 52 -3 54
AVERAGE 69 68 1 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2003 0.00 0.00 0.00
MONTH TO DATE T 0.01 -0.01 0.01
SINCE OCT 1 26.30 33.60 -7.30 41.12
SINCE JAN 1 13.41 21.61 -8.20 15.53
DEGREE DAYS
HEATING
YESTERDAY 0 1
MONTH TO DATE 8 17
SINCE JUN 1 28 61
SINCE JUL 1 8 17
COOLING
YESTERDAY 4 0
MONTH TO DATE 84 29
SINCE JUN 1 148 69
SINCE JAN 1 187 106
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.8
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 2:00 AM
LOWEST 34 1:00 PM
AVERAGE 67
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 2014
MINIMUM TEMPERATURE (F) 52 47 2008
SUNRISE AND SUNSET
JULY 25 2026..........SUNRISE 6:07 AM PDT SUNSET 8:28 PM PDT
JULY 26 2026..........SUNRISE 6:08 AM PDT SUNSET 8:27 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$