Climatological Report (Daily)
Issued by NWS

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000
CDUS46 KMTR 190826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1226 AM PST SUN FEB 19 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 18 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    159 PM  64    2012  60      1       61
                                      2000
  MINIMUM         50   1047 PM  31    2003  39     11       43
  AVERAGE         56                        50      6       52

PRECIPITATION (IN)
  YESTERDAY        0.04                                      0.12
  MONTH TO DATE    6.46                                      0.56
  SINCE OCT 1     27.52                                     11.08
  SINCE JAN 1     18.57                                      6.89

DEGREE DAYS
 HEATING
  YESTERDAY        9                                        13
  MONTH TO DATE  163                                       184
  SINCE DEC 1   1214                                      1219
  SINCE JUL 1   1718                                      1760

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


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (270)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    12.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           600 AM
 LOWEST     62          1200 PM
 AVERAGE    78

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        66      2014
 MINIMUM TEMPERATURE (F)   39        30      2012


SUNRISE AND SUNSET
FEBRUARY 19 2017......SUNRISE   654 AM PST   SUNSET   552 PM PST
FEBRUARY 20 2017......SUNRISE   653 AM PST   SUNSET   553 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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