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

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CDUS43 KFSD 180642
CLIFSD


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


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

...THE SIOUX FALLS 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         40    359 PM  56    1962  28     12        7
  MINIMUM         21    351 AM -24    1922   9     12      -20
  AVERAGE         31                        18     13       -6

PRECIPITATION (IN)
  YESTERDAY        0.00          0.55 1908   0.02  -0.02     0.03
  MONTH TO DATE    0.07                      0.42  -0.35     0.69
  SINCE DEC 1      0.07                      0.42  -0.35     0.69
  SINCE JAN 1     24.59                     26.11  -1.52    31.00

SNOWFALL (IN)
  YESTERDAY        0.0           5.5  1908   0.3   -0.3      0.9
  MONTH TO DATE    1.2                       4.7   -3.5     10.9
  SINCE DEC 1      1.2                       4.7   -3.5     10.9
  SINCE JUL 1      1.4                      13.4  -12.0     16.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       34                        47    -13       71
  MONTH TO DATE  578                       751   -173      833
  SINCE DEC 1    578                       751   -173      833
  SINCE JUL 1   1987                      2463   -476     1968

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    776                       690     86      879
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     70           200 PM
 AVERAGE    85

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


THE SIOUX FALLS SD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   27        60      1923
 MINIMUM TEMPERATURE (F)    9       -27      2016


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   755 AM CST   SUNSET   452 PM CST
DECEMBER 19 2017......SUNRISE   756 AM CST   SUNSET   452 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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