Climatological Report (Daily)
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CDUS43 KDMX 090630 RRA
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1229 AM CST SAT DEC 9 2017


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

...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 8 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         36    230 PM  65    1946  30      6       23
  MINIMUM         18   1235 AM -16    1958  13      5       10
  AVERAGE         27                        22      5       17

PRECIPITATION (IN)
  YESTERDAY        T             0.44 1987   0.04  -0.04      T
  MONTH TO DATE    0.01                      0.37  -0.36     0.34
  SINCE DEC 1      0.01                      0.37  -0.36     0.34
  SINCE JAN 1     30.47                     34.33  -3.86    45.92

SNOWFALL (IN)
  YESTERDAY        T             5.0  2009   0.3   -0.3       T
  MONTH TO DATE    T                         2.3   -2.3      2.1
  SINCE DEC 1      T                         2.3   -2.3      2.1
  SINCE JUL 1      0.2                       7.0   -6.8      2.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       38                        43     -5       48
  MONTH TO DATE  273                       335    -62      299
  SINCE DEC 1    273                       335    -62      299
  SINCE JUL 1   1776                      2015   -239     1463

 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    24   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    14.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           700 PM
 LOWEST     56          1200 AM
 AVERAGE    69

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        63      1939
 MINIMUM TEMPERATURE (F)   13       -19      1958


SUNRISE AND SUNSET
DECEMBER  9 2017......SUNRISE   733 AM CST   SUNSET   438 PM CST
DECEMBER 10 2017......SUNRISE   734 AM CST   SUNSET   438 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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