Climatological Report (Daily)
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CDUS43 KDMX 140700 RRB
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1259 AM CST THU DEC 14 2017


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

...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 13 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         40    723 AM  56    1998  28     12       13
  MINIMUM         23   1159 PM -22    1917  12     11       -8
  AVERAGE         32                        20     12        3

PRECIPITATION (IN)
  YESTERDAY        T             0.80 2015   0.04  -0.04     0.00
  MONTH TO DATE    0.02                      0.59  -0.57     0.67
  SINCE DEC 1      0.02                      0.59  -0.57     0.67
  SINCE JAN 1     30.48                     34.55  -4.07    46.25

SNOWFALL (IN)
  YESTERDAY       MM             5.5  1937   0.3   MM        0.0
  MONTH TO DATE    T                         3.9   -3.9      6.0
  SINCE DEC 1      T                         3.9   -3.9      6.0
  SINCE JUL 1      0.2                       8.6   -8.4      6.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       33                        45    -12       62
  MONTH TO DATE  468                       558    -90      569
  SINCE DEC 1    468                       558    -90      569
  SINCE JUL 1   1971                      2238   -267     1733

 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    39   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    22.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1000 AM
 LOWEST     54           700 AM
 AVERAGE    72

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   28        55      1998
 MINIMUM TEMPERATURE (F)   11       -17      1926


SUNRISE AND SUNSET
DECEMBER 14 2017......SUNRISE   738 AM CST   SUNSET   439 PM CST
DECEMBER 15 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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