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

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000
CDUS43 KFSD 180642
CLISUX


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


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

...THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1889 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         35    447 PM  61    1980  31      4       16
                                      1939
  MINIMUM         20   1144 PM -14    2008  12      8      -11
  AVERAGE         28                        22      6        3

PRECIPITATION (IN)
  YESTERDAY        0.00          0.19 1967   0.03  -0.03     0.07
                                      1951
  MONTH TO DATE    0.02                      0.49  -0.47     0.29
  SINCE DEC 1      0.02                      0.49  -0.47     0.29
  SINCE JAN 1     29.30                     27.43   1.87    31.06

SNOWFALL (IN)
  YESTERDAY        0.0           2.5  1951   0.2   -0.2      1.0
  MONTH TO DATE    0.2                       4.4   -4.2      3.8
  SINCE DEC 1      0.2                       4.4   -4.2      3.8
  SINCE JUL 1      0.2                       9.8   -9.6      4.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       37                        43     -6       62
  MONTH TO DATE  556                       695   -139      730
  SINCE DEC 1    556                       695   -139      730
  SINCE JUL 1   1875                      2171   -296     1674

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    951                       869     82     1165
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     4.5


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          1000 PM
 LOWEST     75           100 PM
 AVERAGE    88

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


THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        60      1976
 MINIMUM TEMPERATURE (F)   12       -20      2016


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   750 AM CST   SUNSET   455 PM CST
DECEMBER 19 2017......SUNRISE   751 AM CST   SUNSET   455 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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