Climatological Report (Daily)
Issued by NWS

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628
CDUS46 KMTR 290927
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
227 AM PDT THU SEP 29 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 28 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         74    158 PM 100    2010  78     -4       72
  MINIMUM         48    526 AM  40    2001  47      1       44
  AVERAGE         61                        62     -1       58

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.00                                      0.06
  SINCE OCT 1     18.86                                     16.49
  SINCE JAN 1     14.67                                      4.10

DEGREE DAYS
 HEATING
  YESTERDAY        4                                         7
  MONTH TO DATE   37                                        37
  SINCE SEP 1     37                                        37
  SINCE JUL 1     94                                        43

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   62                                        83
  SINCE SEP 1     62                                        83
  SINCE JAN 1    181                                       346
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     7.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     53           200 PM
 AVERAGE    73

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        96      1999
 MINIMUM TEMPERATURE (F)   46        37      2007


SUNRISE AND SUNSET
SEPTEMBER 29 2016.....SUNRISE   704 AM PDT   SUNSET   654 PM PDT
SEPTEMBER 30 2016.....SUNRISE   704 AM PDT   SUNSET   653 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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