Climatological Report (Daily)
Issued by NWS

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CDUS46 KMTR 010832
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1232 AM PST SUN FEB 1 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 31 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         72R   323 PM  65    2013  57     15       64
  MINIMUM         38   1118 PM  23    2001  38      0       31
  AVERAGE         55                        47      8       48

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.02
  MONTH TO DATE    T                                         0.08
  SINCE JUL 1     12.77                                      2.28
  SINCE JAN 1      T                                         0.08

DEGREE DAYS
 HEATING
  YESTERDAY       10                                        17
  MONTH TO DATE  522                                       487
  SINCE DEC 1    923                                      1153
  SINCE JUL 1   1396                                      1832

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


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (160)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     5.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     21           700 AM
 AVERAGE    61

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        75      2005
 MINIMUM TEMPERATURE (F)   38        25      2014


SUNRISE AND SUNSET
FEBRUARY  1 2015......SUNRISE   714 AM PST   SUNSET   532 PM PST
FEBRUARY  2 2015......SUNRISE   713 AM PST   SUNSET   533 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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