Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 200836
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT WED AUG 20 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 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 88 3:16 PM 97 2020 84 4 88
MINIMUM 46R 5:06 AM 47 2012 52 -6 48
AVERAGE 67 68 -1 68
PRECIPITATION (IN)
YESTERDAY 0.00 T 2012 0.00 0.00 0.00
2023
MONTH TO DATE T 0.01 -0.01 0.00
SINCE OCT 1 41.12 33.61 7.51 36.97
SINCE JAN 1 15.53 21.62 -6.09 25.41
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE JUN 1 61 13
SINCE JUL 1 17 5
COOLING
YESTERDAY 2 3
MONTH TO DATE 93 101
SINCE JUN 1 176 431
SINCE JAN 1 213 460
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 3:00 AM
LOWEST 19 4:00 PM
AVERAGE 54
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 95 2022
MINIMUM TEMPERATURE (F) 52 47 2000
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:30 AM PDT SUNSET 7:58 PM PDT
AUGUST 21 2025........SUNRISE 6:31 AM PDT SUNSET 7:57 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$