671
CDUS46 KMTR 200836
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN JUL 20 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 19 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 79 2:59 PM 106 2024 83 -4 106
MINIMUM 53 5:32 AM 44 2008 52 1 49
AVERAGE 66 68 -2 78
PRECIPITATION (IN)
YESTERDAY T R 0.00 2000 0.00 0.00 0.00
MONTH TO DATE 0.01 0.01 0.00 0.00
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 11 3
SINCE JUN 1 55 11
SINCE JUL 1 11 3
COOLING
YESTERDAY 1 13
MONTH TO DATE 27 148
SINCE JUN 1 67 259
SINCE JAN 1 104 288
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 2:00 AM
LOWEST 44 3:00 PM
AVERAGE 71
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THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 2024
MINIMUM TEMPERATURE (F) 52 47 2021
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 6:04 AM PDT SUNSET 8:31 PM PDT
JULY 21 2025..........SUNRISE 6:04 AM PDT SUNSET 8:31 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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