Climatological Report (Daily)
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638
CDUS46 KMTR 220852
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
151 AM PDT FRI SEP 22 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    313 PM 103    2003  83     -7       83
  MINIMUM         45    542 AM  40    2012  49     -4       44
  AVERAGE         61                        66     -5       64

PRECIPITATION (IN)
  YESTERDAY        0.00          0.24 2013   0.02  -0.02     0.00
  MONTH TO DATE    0.03                      0.15  -0.12      T
  SINCE OCT 1     60.40                     36.08  24.32    32.14
  SINCE JAN 1     41.98                     22.33  19.65    23.56

DEGREE DAYS
 HEATING
  YESTERDAY        4                                         1
  MONTH TO DATE    7                                        20
  SINCE SEP 1      7                                        20
  SINCE JUL 1     11                                        32

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE  134                                        52
  SINCE SEP 1    134                                        52
  SINCE JAN 1    572                                       313
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           300 AM
 LOWEST     19           300 PM
 AVERAGE    53

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       103      2003
 MINIMUM TEMPERATURE (F)   49        41      2012


SUNRISE AND SUNSET
SEPTEMBER 22 2017.....SUNRISE   659 AM PDT   SUNSET   708 PM PDT
SEPTEMBER 23 2017.....SUNRISE   700 AM PDT   SUNSET   706 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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