Climatological Report (Daily)
Issued by NWS

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053
CDUS46 KMTR 300828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
127 AM PDT SUN APR 30 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 29 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         81   1219 PM  87    2013  70     11       72
  MINIMUM         52   1159 PM  32    2009  43      9       45
  AVERAGE         67                        56     11       59

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  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        0                                         6
  MONTH TO DATE  213                                       218
  SINCE MAR 1    478                                       552
  SINCE JUL 1   2361                                      2443

 COOLING
  YESTERDAY        2                                         0
  MONTH TO DATE    2                                         0
  SINCE MAR 1      2                                         0
  SINCE JAN 1      2                                         0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NW (310)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     9.3


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    77          1000 PM
 LOWEST     21          1200 PM
 AVERAGE    49

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        87      2015
 MINIMUM TEMPERATURE (F)   43        31      2008


SUNRISE AND SUNSET
APRIL 30 2017.........SUNRISE   613 AM PDT   SUNSET   800 PM PDT
MAY  1 2017...........SUNRISE   612 AM PDT   SUNSET   801 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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