Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 200030
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
430 PM PST MON FEB 19 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 19 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         53    203 PM  66    2014  61     -8       58
  MINIMUM         30R   648 AM  30    2012  39     -9       49
  AVERAGE         42                        50     -8       54

PRECIPITATION (IN)
  TODAY            0.00                                      0.18
  MONTH TO DATE    0.00                                      6.64
  SINCE OCT 1      6.63                                     27.70
  SINCE JAN 1      3.60                                     18.75

DEGREE DAYS
 HEATING
  TODAY           23                                        11
  MONTH TO DATE  258                                       174
  SINCE DEC 1   1288                                      1225
  SINCE JUL 1   1816                                      1729

 COOLING
  TODAY            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   W (280)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           700 AM
 LOWEST     35           100 PM
 AVERAGE    60

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        67      2003
 MINIMUM TEMPERATURE (F)   39        25      2013


SUNRISE AND SUNSET
FEBRUARY 19 2018......SUNRISE   654 AM PST   SUNSET   552 PM PST
FEBRUARY 20 2018......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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