Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 180837
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT FRI APR 18 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 65 4:36 PM 84 2016 69 -4 77
MINIMUM 48 11:59 PM 33 2018 43 5 45
AVERAGE 57 56 1 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.28 2000 0.07 -0.07 T
MONTH TO DATE 0.34 1.47 -1.13 0.90
SINCE OCT 1 40.86 31.38 9.48 36.15
SINCE JAN 1 15.27 19.39 -4.12 24.59
DEGREE DAYS
HEATING
YESTERDAY 8 4
MONTH TO DATE 137 168
SINCE MAR 1 524 545
SINCE JUL 1 2330 2197
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE MAR 1 2 0
SINCE JAN 1 2 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 11:00 PM
LOWEST 63 5:00 PM
AVERAGE 80
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 2021
MINIMUM TEMPERATURE (F) 43 34 2022
SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE 6:30 AM PDT SUNSET 7:51 PM PDT
APRIL 19 2025.........SUNRISE 6:29 AM PDT SUNSET 7:52 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$