Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 220829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1227 AM PST WED FEB 22 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 21 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         61   1054 AM  70    2014  61      0       63
                                      2002
  MINIMUM         46   1159 PM  30    2013  39      7       34
                                      2006
  AVERAGE         54                        50      4       49

PRECIPITATION (IN)
  YESTERDAY        0.22                                      0.00
  MONTH TO DATE    8.93                                      0.65
  SINCE OCT 1     29.99                                     11.17
  SINCE JAN 1     21.04                                      6.98

DEGREE DAYS
 HEATING
  YESTERDAY       11                                        16
  MONTH TO DATE  193                                       235
  SINCE DEC 1   1244                                      1270
  SINCE JUL 1   1748                                      1811

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


WIND (MPH)
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           400 AM
 LOWEST     69          1100 AM
 AVERAGE    79

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        78      2012
 MINIMUM TEMPERATURE (F)   39        28      2013


SUNRISE AND SUNSET
FEBRUARY 22 2017......SUNRISE   650 AM PST   SUNSET   556 PM PST
FEBRUARY 23 2017......SUNRISE   649 AM PST   SUNSET   557 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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