Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 210044
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
544 PM PDT MON JUL 20 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 20 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
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)
TODAY 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
TODAY 0 0
MONTH TO DATE 8 11
SINCE JUN 1 28 55
SINCE JUL 1 8 11
COOLING
TODAY 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 (180)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 12:00 AM
LOWEST 38 4:00 PM
AVERAGE 64
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 99 2006
MINIMUM TEMPERATURE (F) 52 47 2001
2021
SUNRISE AND SUNSET
JULY 20 2026..........SUNRISE 6:03 AM PDT SUNSET 8:32 PM PDT
JULY 21 2026..........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.
$$