Climatological Report (Daily)
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CDUS43 KDMX 130718
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1247 AM CST WED DEC 13 2017

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

...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 12 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         32    931 PM  58    1968  29      3       12
  MINIMUM          8    801 AM -16    2000  12     -4       -5
                                      1932
  AVERAGE         20                        20      0        4

PRECIPITATION (IN)
  YESTERDAY        0.00          1.12 1991   0.04  -0.04      T
  MONTH TO DATE    0.02                      0.55  -0.53     0.67
  SINCE DEC 1      0.02                      0.55  -0.53     0.67
  SINCE JAN 1     30.48                     34.51  -4.03    46.25

SNOWFALL (IN)
  YESTERDAY        0.0           5.0  1909   0.3   -0.3       T
  MONTH TO DATE    T                         3.6   -3.6      6.0
  SINCE DEC 1      T                         3.6   -3.6      6.0
  SINCE JUL 1      0.2                       8.3   -8.1      6.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       45                        45      0       61
  MONTH TO DATE  435                       513    -78      507
  SINCE DEC 1    435                       513    -78      507
  SINCE JUL 1   1938                      2193   -255     1671

 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    20   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          1200 AM
 LOWEST     52          1200 PM
 AVERAGE    70

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   28        56      1998
 MINIMUM TEMPERATURE (F)   12       -22      1917


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   737 AM CST   SUNSET   438 PM CST
DECEMBER 14 2017......SUNRISE   738 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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