Climatological Report (Daily)
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CDUS43 KDMX 180659
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1256 AM CST THU DEC 18 2014


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

...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 17 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         22    332 PM  57    1939  27     -5       32
  MINIMUM          9    804 AM -18    1983  10     -1       14
  AVERAGE         16                        19     -3       23

PRECIPITATION (IN)
  YESTERDAY        0.00          0.50 1977   0.04  -0.04     0.00
  MONTH TO DATE    0.41                      0.75  -0.34     0.47
  SINCE DEC 1      0.41                      0.75  -0.34     0.47
  SINCE JAN 1     34.52                     34.71  -0.19    38.30

SNOWFALL (IN)
  YESTERDAY        0.0           7.0  1921   0.3   -0.3      0.0
  MONTH TO DATE    T                         5.1   -5.1      5.7
  SINCE DEC 1      T                         5.1   -5.1      5.7
  SINCE JUL 1      8.0                       9.8   -1.8      7.2
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       49                        46      3       42
  MONTH TO DATE  630                       741   -111      862
  SINCE DEC 1    630                       741   -111      862
  SINCE JUL 1   2529                      2421    108     2526

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    544                       616    -72      718
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     9.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           200 AM
 LOWEST     71           200 PM
 AVERAGE    82

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   27        61      1923
 MINIMUM TEMPERATURE (F)   10       -26      1983


SUNRISE AND SUNSET
DECEMBER 18 2014......SUNRISE   740 AM CST   SUNSET   440 PM CST
DECEMBER 19 2014......SUNRISE   741 AM CST   SUNSET   440 PM CST


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




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