779
CDUS46 KMTR 010038
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
538 PM PDT THU JUL 31 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 31 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 MM 100 2000 83 1 86
MINIMUM 53 2:00 AM 48 1999 52 1 54
AVERAGE 69 68 1 70
PRECIPITATION (IN)
TODAY 0.00 T 2015 0.00 0.00 0.00
MONTH TO DATE 0.01 0.01 0.00 T
SINCE OCT 1 41.12 33.60 7.52 36.97
SINCE JAN 1 15.53 21.61 -6.08 25.41
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 17 5
SINCE JUN 1 61 13
SINCE JUL 1 17 5
COOLING
TODAY 4 5
MONTH TO DATE 43 219
SINCE JUN 1 83 330
SINCE JAN 1 120 359
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 41 3:00 PM
AVERAGE 69
......................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 2000
MINIMUM TEMPERATURE (F) 52 44 2013
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 6:13 AM PDT SUNSET 8:22 PM PDT
AUGUST 1 2025........SUNRISE 6:14 AM PDT SUNSET 8:21 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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