Climatological Report (Daily)
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CDUS43 KDMX 300641
CLIMCW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1237 AM CST SAT DEC 30 2017

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

...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 29 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         12   1210 AM  47    1999  25    -13       33
  MINIMUM         -3   1159 PM -21    1917   8    -11       23
  AVERAGE          5                        17    -12       28

PRECIPITATION (IN)
  YESTERDAY        0.08          0.65 1972   0.03   0.05     0.00
  MONTH TO DATE    0.17                      1.18  -1.01     2.16
  SINCE DEC 1      0.17                      1.18  -1.01     2.16
  SINCE JAN 1     30.63                     35.14  -4.51    47.74

SNOWFALL (IN)
  YESTERDAY        2.5           5.0  1946   0.3    2.2      0.0
                                      1978
  MONTH TO DATE    4.0                       8.7   -4.7     14.9
  SINCE DEC 1      4.0                       8.7   -4.7     14.9
  SINCE JUL 1      4.2                      13.4   -9.2     14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       60                        48     12       37
  MONTH TO DATE 1232                      1312    -80     1310
  SINCE DEC 1   1232                      1312    -80     1310
  SINCE JUL 1   2735                      2992   -257     2474

 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    22   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    10.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           900 AM
 LOWEST     72           500 AM
 AVERAGE    80

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


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   25        54      2004
                                             1965
 MINIMUM TEMPERATURE (F)    8       -20      1968


SUNRISE AND SUNSET
DECEMBER 30 2017......SUNRISE   745 AM CST   SUNSET   447 PM CST
DECEMBER 31 2017......SUNRISE   745 AM CST   SUNSET   448 PM CST


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

$$

REV


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