Climatological Report (Daily)
Issued by NWS
Issued by NWS
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999
CDUS46 KMTR 190835
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT WED AUG 19 2026
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 86 3:06 PM 102 2020 84 2 84
MINIMUM 55 7:00 AM 45 2000 52 3 47
AVERAGE 71 68 3 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.01 2010 0.00 0.00 0.00
MONTH TO DATE T 0.01 -0.01 T
SINCE OCT 1 26.30 33.61 -7.31 41.12
SINCE JAN 1 13.41 21.62 -8.21 15.53
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE JUN 1 28 61
SINCE JUL 1 8 17
COOLING
YESTERDAY 6 1
MONTH TO DATE 72 91
SINCE JUN 1 255 174
SINCE JAN 1 294 211
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 37 3:00 PM
AVERAGE 67
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 97 2020
MINIMUM TEMPERATURE (F) 52 46 2025
SUNRISE AND SUNSET
AUGUST 19 2026........SUNRISE 6:29 AM PDT SUNSET 8:00 PM PDT
AUGUST 20 2026........SUNRISE 6:30 AM PDT SUNSET 7:58 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$