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CLIROC


CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
426 AM EST SAT DEC 17 2011


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

...THE ROCHESTER NY CLIMATE SUMMARY FOR DECEMBER 16 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2011


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         42   1218 AM  62    1894  36      6       27
  MINIMUM         34   1159 PM  -1    1942  23     11       21
  AVERAGE         38                        30      8       24

PRECIPITATION (IN)
  YESTERDAY        0.05          0.96 1927   0.08  -0.03     0.02
  MONTH TO DATE    1.29                      1.43  -0.14     2.54
  SINCE DEC 1      1.29                      1.43  -0.14     2.54
  SINCE JAN 1     39.26                     33.07   6.19    37.37

SNOWFALL (IN)
  YESTERDAY        T             6.9  2007   0.8   -0.8      0.6
  MONTH TO DATE    1.8                      10.1   -8.3     44.8
  SINCE DEC 1      1.8                      10.1   -8.3     44.8
  SINCE JUL 1      2.1                      17.5  -15.4     45.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       27                        35     -8       41
  MONTH TO DATE  435                       525    -90      616
  SINCE DEC 1    435                       525    -90      616
  SINCE JUL 1   1506                      1893   -387     1958

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    695                       539    156      732
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    15.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           100 AM
 LOWEST     55           100 PM
 AVERAGE    70

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


THE ROCHESTER NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        60      1984
 MINIMUM TEMPERATURE (F)   23        -3      1919


SUNRISE AND SUNSET
DECEMBER 17 2011......SUNRISE   737 AM EST   SUNSET   437 PM EST
DECEMBER 18 2011......SUNRISE   737 AM EST   SUNSET   437 PM EST


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




$$