Climatological Report (Daily)
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000
CDUS46 KMTR 190830
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
130 AM PDT TUE SEP 19 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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         81   1208 PM 101    2000  83     -2       98
  MINIMUM         53    604 AM  41    2008  49      4       49
  AVERAGE         67                        66      1       74

PRECIPITATION (IN)
  YESTERDAY        0.00          T    2010   0.00   0.00     0.00
  MONTH TO DATE    0.03                      0.12  -0.09      T
  SINCE OCT 1     60.40                     36.05  24.35    32.14
  SINCE JAN 1     41.98                     22.30  19.68    23.56

DEGREE DAYS
 HEATING
  YESTERDAY        0                                         0
  MONTH TO DATE    2                                        19
  SINCE SEP 1      2                                        19
  SINCE JUL 1      6                                        31

 COOLING
  YESTERDAY        2                                         9
  MONTH TO DATE  133                                        38
  SINCE SEP 1    133                                        38
  SINCE JAN 1    571                                       299
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (290)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     7.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM
 LOWEST     41           500 PM
 AVERAGE    71

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


THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       104      2000
 MINIMUM TEMPERATURE (F)   49        41      2008


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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