Climatological Report (Daily)
Issued by NWS Sioux Falls, SD

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000
CDUS43 KFSD 180642
CLIMHE


CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1239 AM CST MON DEC 18 2017


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

...THE MITCHELL SD CLIMATE SUMMARY FOR DECEMBER 17 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         42    416 PM  58    1962  29     13        4
  MINIMUM         24    334 AM -24    1922  11     13      -21
  AVERAGE         33                        20     13       -8

PRECIPITATION (IN)
  YESTERDAY        0.00          0.80 1908   0.02  -0.02     0.07
  MONTH TO DATE    0.29                      0.30  -0.01     0.59
  SINCE DEC 1      0.29                      0.30  -0.01     0.59
  SINCE JAN 1     19.89                     21.37  -1.48    25.80

SNOWFALL (IN)
  YESTERDAY        0.0          11.0  1908  MM     MM        1.6
  MONTH TO DATE    2.3                      MM     MM        8.1
  SINCE DEC 1      2.3                      MM     MM        8.1
  SINCE JUL 1      3.5                      MM     MM       13.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        45    -13       73
  MONTH TO DATE  543                       725   -182      835
  SINCE DEC 1    543                       725   -182      835
  SINCE JUL 1   1932                      2293   -361     1929

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    890                       824     66     1036
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     4.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     57           400 PM
 AVERAGE    79

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


THE MITCHELL SD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   29        65      1923
 MINIMUM TEMPERATURE (F)   11       -28      2016


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   801 AM CST   SUNSET   457 PM CST
DECEMBER 19 2017......SUNRISE   802 AM CST   SUNSET   457 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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