Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 180832
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT SAT APR 18 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 17 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73    206 PM  78    1999  68      5       69
  MINIMUM         39    554 AM  32    2004  42     -3       45
  AVERAGE         56                        55      1       57

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    1.01                                      0.98
  SINCE OCT 1     15.84                                      8.64
  SINCE JAN 1      3.45                                      7.28

DEGREE DAYS
 HEATING
  YESTERDAY        9                                         8
  MONTH TO DATE  200                                       136
  SINCE MAR 1    495                                       439
  SINCE JUL 1   2223                                      2646

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                         0
  SINCE MAR 1      0                                         0
  SINCE JAN 1      0                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (200)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     6.2


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    93          1100 PM
 LOWEST     35           100 PM
 AVERAGE    64

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        78      2009
 MINIMUM TEMPERATURE (F)   42        33      2005


SUNRISE AND SUNSET
APRIL 18 2015.........SUNRISE   629 AM PDT   SUNSET   748 PM PDT
APRIL 19 2015.........SUNRISE   628 AM PDT   SUNSET   749 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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