Climatological Report (Daily)
Issued by NWS
Issued by NWS
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695
CDUS46 KMTR 180827
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SAT JUL 18 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 17 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 83 3:20 PM 101 2006 83 0 74
MINIMUM 47R 4:56 AM 47 2009 52 -5 54
AVERAGE 65 68 -3 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.02 2007 0.00 0.00 0.01
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 11
SINCE JUN 1 28 55
SINCE JUL 1 8 11
COOLING
YESTERDAY 0 0
MONTH TO DATE 56 26
SINCE JUN 1 120 66
SINCE JAN 1 159 103
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.3
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 6:00 AM
LOWEST 32 2:00 PM
AVERAGE 66
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 104 1998
MINIMUM TEMPERATURE (F) 52 48 2000
2012
2022
SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE 6:02 AM PDT SUNSET 8:33 PM PDT
JULY 19 2026..........SUNRISE 6:03 AM PDT SUNSET 8:32 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$