Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 170033
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
533 PM PDT MON OCT 16 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 16 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         81    316 PM  88    1999  74      7       65
  MINIMUM         44    155 AM  38    2013  43      1       53
  AVERAGE         63                        59      4       59

PRECIPITATION (IN)
  TODAY            0.00                                      0.69
  MONTH TO DATE    0.00                                      1.64
  SINCE OCT 1      0.00                                      1.64
  SINCE JAN 1     28.18                                     16.31

DEGREE DAYS
 HEATING
  TODAY            2                                         6
  MONTH TO DATE   63                                        77
  SINCE SEP 1    100                                       119
  SINCE JUL 1    110                                       176

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    1                                         5
  SINCE SEP 1    133                                        67
  SINCE JAN 1    515                                       186
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NW (320)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           200 AM
 LOWEST     21           200 PM
 AVERAGE    43

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        87      2012
                                             2008
 MINIMUM TEMPERATURE (F)   43        37      2006


SUNRISE AND SUNSET
OCTOBER 16 2017.......SUNRISE   719 AM PDT   SUNSET   629 PM PDT
OCTOBER 17 2017.......SUNRISE   720 AM PDT   SUNSET   628 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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