Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 240844
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
144 AM PDT WED MAY 24 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 23 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         76    145 PM  91    2000  74      2       72
  MINIMUM         51    355 AM  31    2010  47      4       45
  AVERAGE         64                        60      4       59

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    T                                         0.25
  SINCE OCT 1     36.85                                     18.86
  SINCE JAN 1     27.90                                     14.67

DEGREE DAYS
 HEATING
  YESTERDAY        1                                         6
  MONTH TO DATE   78                                       124
  SINCE MAR 1    557                                       677
  SINCE JUL 1   2440                                      2568

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   30                                         5
  SINCE MAR 1     32                                         5
  SINCE JAN 1     32                                         5
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (210)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     8.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     54           200 PM
 AVERAGE    74

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        84      2005
 MINIMUM TEMPERATURE (F)   47        38      2013
                                             2011


SUNRISE AND SUNSET
MAY 24 2017...........SUNRISE   551 AM PDT   SUNSET   821 PM PDT
MAY 25 2017...........SUNRISE   551 AM PDT   SUNSET   822 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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