Climatological Report (Daily)
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295
CDUS46 KMTR 190028
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT TUE AUG 18 2026

...................................

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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         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)
  TODAY            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
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE JUN 1     28                                        61
  SINCE JUL 1      8                                        17

 COOLING
  TODAY            6                                         1
  MONTH TO DATE   72                                        91
  SINCE JUN 1    255                                       174
  SINCE JAN 1    294                                       211
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           1:00 AM
 LOWEST     37           3:00 PM
 AVERAGE    67

..........................................................


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        97      2020
 MINIMUM TEMPERATURE (F)   52        46      2025


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   6:28 AM PDT   SUNSET   8:01 PM PDT
AUGUST 19 2026........SUNRISE   6:29 AM PDT   SUNSET   8:00 PM PDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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