Climatological Report (Daily)
Issued by NWS
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619
CDUS46 KMTR 160830
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT WED JUL 16 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 15 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 70 4:04 PM 103 1998 84 -14 76
MINIMUM 53 5:46 AM 46 2004 52 1 53
AVERAGE 62 68 -6 65
PRECIPITATION (IN)
YESTERDAY 0.00 T 2012 0.00 0.00 0.00
MONTH TO DATE 0.00 0.01 -0.01 0.00
SINCE OCT 1 41.11 33.60 7.51 36.97
SINCE JAN 1 15.52 21.61 -6.09 25.41
DEGREE DAYS
HEATING
YESTERDAY 3 0
MONTH TO DATE 8 0
SINCE JUN 1 52 8
SINCE JUL 1 8 0
COOLING
YESTERDAY 0 0
MONTH TO DATE 26 126
SINCE JUN 1 66 237
SINCE JAN 1 103 266
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 59 4:00 PM
AVERAGE 78
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 108 2017
MINIMUM TEMPERATURE (F) 52 47 2009
2022
2024
SUNRISE AND SUNSET
JULY 16 2025..........SUNRISE 6:00 AM PDT SUNSET 8:34 PM PDT
JULY 17 2025..........SUNRISE 6:01 AM PDT SUNSET 8:33 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$