Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 280829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
128 AM PDT FRI APR 28 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 27 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         73    218 PM  91    2004  70      3       68
  MINIMUM         43    528 AM  35    2003  43      0       41
  AVERAGE         58                        56      2       55

PRECIPITATION (IN)
  YESTERDAY        0.00                                       T
  MONTH TO DATE    3.11                                      0.94
  SINCE OCT 1     36.85                                     18.61
  SINCE JAN 1     27.90                                     14.42

DEGREE DAYS
 HEATING
  YESTERDAY        7                                        10
  MONTH TO DATE  208                                       204
  SINCE MAR 1    473                                       538
  SINCE JUL 1   2356                                      2429

 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   W (250)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     6.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     47          1200 PM
 AVERAGE    72

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        82      2013
                                             2008
 MINIMUM TEMPERATURE (F)   43        32      1999


SUNRISE AND SUNSET
APRIL 28 2017.........SUNRISE   616 AM PDT   SUNSET   758 PM PDT
APRIL 29 2017.........SUNRISE   615 AM PDT   SUNSET   759 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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