Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 230835
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1235 AM PST FRI FEB 23 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 22 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         52    342 PM  78    2012  61     -9       58
  MINIMUM         28R   434 AM  28    2013  39    -11       37
  AVERAGE         40                        50    -10       48

PRECIPITATION (IN)
  YESTERDAY        0.03                                       T
  MONTH TO DATE    0.03                                      8.93
  SINCE OCT 1      6.66                                     29.99
  SINCE JAN 1      3.63                                     21.04

DEGREE DAYS
 HEATING
  YESTERDAY       25                                        17
  MONTH TO DATE  333                                       210
  SINCE DEC 1   1363                                      1261
  SINCE JUL 1   1891                                      1765

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


WIND (MPH)
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (280)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     8.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     44          1100 AM
 AVERAGE    68

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        78      2012
 MINIMUM TEMPERATURE (F)   39        32      2017
                                             2011
                                             2004


SUNRISE AND SUNSET
FEBRUARY 23 2018......SUNRISE   649 AM PST   SUNSET   556 PM PST
FEBRUARY 24 2018......SUNRISE   648 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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