Climatological Report (Daily)
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CDUS43 KDMX 160657 RRC
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1256 AM CST SAT DEC 16 2017


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

...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         41    317 PM  53    1939  28     13        8
  MINIMUM         22    414 AM -20    1922  11     11      -11
  AVERAGE         32                        19     13       -1

PRECIPITATION (IN)
  YESTERDAY        T             0.80 2012   0.04  -0.04     0.01
  MONTH TO DATE    0.02                      0.67  -0.65     0.68
  SINCE DEC 1      0.02                      0.67  -0.65     0.68
  SINCE JAN 1     30.48                     34.63  -4.15    46.26

SNOWFALL (IN)
  YESTERDAY        T             5.0  1940   0.3   -0.3      0.2
  MONTH TO DATE    T                         4.5   -4.5      6.2
  SINCE DEC 1      T                         4.5   -4.5      6.2
  SINCE JUL 1      0.2                       9.2   -9.0      6.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       33                        46    -13       66
  MONTH TO DATE  546                       649   -103      692
  SINCE DEC 1    546                       649   -103      692
  SINCE JUL 1   2049                      2329   -280     1856

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    603                       616    -13      697
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           300 AM
 LOWEST     50           500 PM
 AVERAGE    69

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   27        61      1939
 MINIMUM TEMPERATURE (F)   11       -21      1932


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   739 AM CST   SUNSET   439 PM CST
DECEMBER 17 2017......SUNRISE   740 AM CST   SUNSET   439 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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