Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 210826
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
126 AM PDT TUE JUL 21 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 3:50 PM 96 2024 83 -1 78
MINIMUM 56 3:23 AM 47 2021 52 4 54
AVERAGE 69 68 1 66
PRECIPITATION (IN)
YESTERDAY T R T 2012 0.00 0.00 0.00
2012
2014
MONTH TO DATE T 0.01 -0.01 0.01
SINCE OCT 1 26.30 33.60 -7.30 41.12
SINCE JAN 1 13.41 21.61 -8.20 15.53
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 8 11
SINCE JUN 1 28 55
SINCE JUL 1 8 11
COOLING
YESTERDAY 4 1
MONTH TO DATE 64 28
SINCE JUN 1 128 68
SINCE JAN 1 167 105
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 12:00 AM
LOWEST 38 4:00 PM
AVERAGE 64
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 2006
MINIMUM TEMPERATURE (F) 52 47 2001
2021
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 6:04 AM PDT SUNSET 8:31 PM PDT
JULY 22 2026..........SUNRISE 6:05 AM PDT SUNSET 8:30 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$