Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 270845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
145 AM PDT WED MAY 27 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 26 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         69    319 PM  84    2014  75     -6       84
  MINIMUM         51    613 AM  40    2011  47      4       44
                                      1998
  AVERAGE         60                        61     -1       64

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                          T
  SINCE OCT 1     16.26                                      9.63
  SINCE JAN 1      3.87                                      8.27

DEGREE DAYS
 HEATING
  YESTERDAY        5                                         1
  MONTH TO DATE  191                                       110
  SINCE MAR 1    780                                       664
  SINCE JUL 1   2508                                      2871

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE    0                                        10
  SINCE MAR 1      1                                        11
  SINCE JAN 1      1                                        11
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1200 AM
 LOWEST     58           100 PM
 AVERAGE    74

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        87      2003
 MINIMUM TEMPERATURE (F)   47        42      2012


SUNRISE AND SUNSET
MAY 27 2015...........SUNRISE   550 AM PDT   SUNSET   823 PM PDT
MAY 28 2015...........SUNRISE   549 AM PDT   SUNSET   824 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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