Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 200827
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT MON JUL 20 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JULY 19 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 81 3:04 PM 106 2024 83 -2 79
MINIMUM 51 4:27 AM 44 2008 52 -1 53
AVERAGE 66 68 -2 66
PRECIPITATION (IN)
YESTERDAY 0.00 T 2025 0.00 0.00 T
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 1 1
MONTH TO DATE 60 27
SINCE JUN 1 124 67
SINCE JAN 1 163 104
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (160)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 36 3:00 PM
AVERAGE 68
..........................................................
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 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.
$$