Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 180840
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1239 AM PST SAT NOV 18 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 17 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         64    308 PM  78    2008  63      1       62
  MINIMUM         34   1031 PM  25    2000  39     -5       33
  AVERAGE         49                        51     -2       48

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    2.27                                      0.01
  SINCE OCT 1      2.46                                      3.82
  SINCE JAN 1     30.64                                     18.49

DEGREE DAYS
 HEATING
  YESTERDAY       16                                        17
  MONTH TO DATE  185                                        99
  SINCE SEP 1    367                                       273
  SINCE JUL 1    377                                       330

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE SEP 1    148                                        67
  SINCE JAN 1    530                                       186
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (350)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           100 AM
 LOWEST     39           300 PM
 AVERAGE    68

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        78      2005
 MINIMUM TEMPERATURE (F)   39        26      2000


SUNRISE AND SUNSET
NOVEMBER 18 2017......SUNRISE   654 AM PST   SUNSET   455 PM PST
NOVEMBER 19 2017......SUNRISE   655 AM PST   SUNSET   454 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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