Climatological Report (Daily)
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868
CDUS46 KMTR 160827
CLISTS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT THU OCT 16 2025

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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 15 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         69   2:51 PM  98    2020  78     -9       85
  MINIMUM         52  11:59 PM  36    2003  46      6       46
                                      2013
  AVERAGE         61                        62     -1       66

PRECIPITATION (IN)
  YESTERDAY        T             0.66 2016   0.05  -0.05     0.00
  MONTH TO DATE    1.64                      0.50   1.14     0.22
  SINCE OCT 1      1.64                      0.50   1.14     0.22
  SINCE JAN 1     17.54                     22.29  -4.75    25.71

DEGREE DAYS
 HEATING
  YESTERDAY        4                                         0
  MONTH TO DATE   63                                         7
  SINCE SEP 1     66                                        18
  SINCE JUL 1     83                                        27

 COOLING
  YESTERDAY        0                                         1
  MONTH TO DATE    9                                       102
  SINCE SEP 1    122                                       196
  SINCE JAN 1    401                                       700
...................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (170)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          12:00 AM
 LOWEST     55           3:00 PM
 AVERAGE    76

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77       101      2020
 MINIMUM TEMPERATURE (F)   46        36      2013


SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE   7:22 AM PDT   SUNSET   6:31 PM PDT
OCTOBER 17 2025.......SUNRISE   7:23 AM PDT   SUNSET   6:30 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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