Climatological Report (Daily)
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000
CDUS46 KMTR 230829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
129 AM PDT MON OCT 23 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 22 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         74    431 PM  87    2008  73      1       73
  MINIMUM         41    642 AM  37    2008  42     -1       46
  AVERAGE         58                        57      1       60

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.19                                      1.64
  SINCE OCT 1      0.19                                      1.64
  SINCE JAN 1     28.37                                     16.31

DEGREE DAYS
 HEATING
  YESTERDAY        7                                         5
  MONTH TO DATE  111                                        99
  SINCE SEP 1    148                                       141
  SINCE JUL 1    158                                       198

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


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     2.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     46           200 PM
 AVERAGE    73

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        86      2011
                                             2007
 MINIMUM TEMPERATURE (F)   42        37      1998


SUNRISE AND SUNSET
OCTOBER 23 2017.......SUNRISE   726 AM PDT   SUNSET   620 PM PDT
OCTOBER 24 2017.......SUNRISE   727 AM PDT   SUNSET   619 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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