Climatological Report (Daily)
Issued by NWS
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123
CDUS46 KMTR 010827
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT FRI AUG 01 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 31 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 84 3:22 PM 100 2000 83 1 86
MINIMUM 53 2:31 AM 48 1999 52 1 54
AVERAGE 69 68 1 70
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 0 0
MONTH TO DATE 17 5
SINCE JUN 1 61 13
SINCE JUL 1 17 5
COOLING
YESTERDAY 4 5
MONTH TO DATE 43 219
SINCE JUN 1 83 330
SINCE JAN 1 120 359
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 4.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1:00 AM
LOWEST 41 3:00 PM
AVERAGE 69
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 2000
MINIMUM TEMPERATURE (F) 52 44 2013
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 6:14 AM PDT SUNSET 8:21 PM PDT
AUGUST 2 2025........SUNRISE 6:14 AM PDT SUNSET 8:20 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$