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

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000
CDUS43 KFSD 010244 CCA
CLISUX

CLIMATE REPORT...CORRECTED HIGH TEMPERATURE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
843 PM CST SUN DEC 31 2017


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

...THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 31 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         -5   1245 AM  60    1904  30    -35       35
  MINIMUM        -16    744 AM -19    1968  10    -26       20
  AVERAGE        -11                        20    -31       28

PRECIPITATION (IN)
  TODAY            T             1.10 1931   0.02  -0.02     0.00
  MONTH TO DATE    0.32                      0.80  -0.48     1.48
  SINCE DEC 1      0.32                      0.80  -0.48     1.48
  SINCE JAN 1     29.60                     27.74   1.86    32.25

SNOWFALL (IN)
  TODAY            T             5.0  1916   0.2   -0.2      0.0
  MONTH TO DATE    7.3                       7.8   -0.5      4.5
  SINCE DEC 1      7.3                       7.8   -0.5      4.5
  SINCE JUL 1      7.3                      13.2   -5.9      5.5
  SNOW DEPTH       6

DEGREE DAYS
 HEATING
  TODAY           76                        45     31       37
  MONTH TO DATE 1275                      1317    -42     1240
  SINCE DEC 1   1275                      1316    -41     1240
  SINCE JUL 1   2594                      2792   -198     2184

 COOLING
  TODAY            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    18   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    11.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91           300 AM
 LOWEST     64           300 PM
 AVERAGE    78

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


THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        61      1939
 MINIMUM TEMPERATURE (F)   10       -20      1974


SUNRISE AND SUNSET
DECEMBER 31 2017......SUNRISE   755 AM CST   SUNSET   503 PM CST
JANUARY  1 2018.......SUNRISE   755 AM CST   SUNSET   504 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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