Climatological Report (Daily)
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520
CDUS46 KMTR 200026
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
526 PM PDT TUE SEP 19 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         80    304 PM 104    2000  83     -3       98
  MINIMUM         47    601 AM  41    2008  49     -2       55
  AVERAGE         64                        66     -2       77

PRECIPITATION (IN)
  TODAY            0.00          0.12 2010   0.01  -0.01     0.00
  MONTH TO DATE    0.03                      0.13  -0.10      T
  SINCE OCT 1     60.40                     36.06  24.34    32.14
  SINCE JAN 1     41.98                     22.31  19.67    23.56

DEGREE DAYS
 HEATING
  TODAY            1                                         0
  MONTH TO DATE    3                                        19
  SINCE SEP 1      3                                        19
  SINCE JUL 1      7                                        31

 COOLING
  TODAY            0                                        12
  MONTH TO DATE  133                                        50
  SINCE SEP 1    133                                        50
  SINCE JAN 1    571                                       311
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM
 LOWEST     28           100 PM
 AVERAGE    57

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       100      2003
 MINIMUM TEMPERATURE (F)   49        40      2004


SUNRISE AND SUNSET
SEPTEMBER 19 2017.....SUNRISE   657 AM PDT   SUNSET   712 PM PDT
SEPTEMBER 20 2017.....SUNRISE   658 AM PDT   SUNSET   711 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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