Climatological Report (Daily)
Issued by NWS

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629
CDUS46 KMTR 190836
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1236 AM PST SUN NOV 19 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 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         61    342 PM  78    2005  63     -2       65
  MINIMUM         32    534 AM  26    2000  39     -7       40
  AVERAGE         47                        50     -3       53

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       18                                        12
  MONTH TO DATE  203                                       111
  SINCE SEP 1    385                                       285
  SINCE JUL 1    395                                       342

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


WIND (MPH)
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   E (110)
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     3.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           600 AM
 LOWEST     46           200 PM
 AVERAGE    71

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        72      2005
 MINIMUM TEMPERATURE (F)   38        29      2009


SUNRISE AND SUNSET
NOVEMBER 19 2017......SUNRISE   655 AM PST   SUNSET   454 PM PST
NOVEMBER 20 2017......SUNRISE   656 AM PST   SUNSET   453 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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