Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 231245
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
445 AM PST TUE JAN 23 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 22 2018...

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)
 YESTERDAY
  MAXIMUM         56    224 PM  68    2014  56      0       58
  MINIMUM         40   1157 PM  27    2014  37      3       46
  AVERAGE         48                        46      2       52

PRECIPITATION (IN)
  YESTERDAY        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
  YESTERDAY       17                                        13
  MONTH TO DATE  327                                       351
  SINCE DEC 1    875                                       896
  SINCE JUL 1   1403                                      1400

 COOLING
  YESTERDAY        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   E (110)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     9.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


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

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


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


SUNRISE AND SUNSET
JANUARY 23 2018.......SUNRISE   721 AM PST   SUNSET   522 PM PST
JANUARY 24 2018.......SUNRISE   720 AM PST   SUNSET   523 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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