Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 222245
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
245 PM PST MON JAN 22 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 22 2018...
VALID TODAY AS OF 0200 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         55    200 PM  68    2014  56     -1       58
  MINIMUM         50        MM  27    2014  37     13       46
  AVERAGE         53                        46      7       52

PRECIPITATION (IN)
  TODAY            0.26                                      1.14
  MONTH TO DATE    3.01                                     12.02
  SINCE OCT 1      6.04                                     20.97
  SINCE JAN 1      3.01                                     12.02

DEGREE DAYS
 HEATING
  TODAY           12                                        13
  MONTH TO DATE  322                                       351
  SINCE DEC 1    870                                       896
  SINCE JUL 1   1398                                      1400

 COOLING
  TODAY            0                                         0
  MONTH TO DATE    0                                         0
  SINCE DEC 1      0                                         0
  SINCE JAN 1      0                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SE (130)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     77           200 PM
 AVERAGE    89

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        73      2014
 MINIMUM TEMPERATURE (F)   37        26      2007


SUNRISE AND SUNSET
JANUARY 22 2018.......SUNRISE   721 AM PST   SUNSET   521 PM PST
JANUARY 23 2018.......SUNRISE   721 AM PST   SUNSET   522 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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