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

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CXUS53 KFSD 011726
CLMFSD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1125 AM CST TUE JAN 1 2019

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

...THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              63   12/03/1998
                        12/02/1998
 LOW              -31   12/29/1917
HIGHEST            49   12/16        MM      MM       56  12/02
LOWEST             -7   12/29        MM      MM      -20  12/31
AVG. MAXIMUM     34.7              28.5     6.2     30.3
AVG. MINIMUM     17.5               9.8     7.7     11.9
MEAN             26.1              19.2     6.9     21.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     12              17.7    -5.7       16
DAYS MIN <= 32     31              30.5     0.5       31
DAYS MIN <= 0       3               7.3    -4.3        8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.97   1945
 MINIMUM            T   1986
                        1944
                        1905
TOTALS           1.23              0.69    0.54     0.68
DAILY AVG.       0.04              0.02    0.02     0.02
DAYS >= .01         7               6.9     0.1        6
DAYS >= .10         3               2.0     1.0        2
DAYS >= .50         1               0.3     0.7        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.67   12/26 TO 12/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           41.1   1968
TOTALS            7.2               8.2    -1.0     10.4
SINCE 7/1        11.0              16.9    -5.9     10.6
SNOWDEPTH AVG.      1                 4      -3        1
DAYS >= 1.0         3               2.4     0.6        3
GREATEST
 SNOW DEPTH         3   12/31                          6  12/31
                        12/30
                        12/29
 24 HR TOTAL      3.5   12/27 TO 12/28

DEGREE_DAYS
HEATING TOTAL    1198              1421    -223     1352
 SINCE 7/1       2978              3133    -155     2761
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        923               690     233      776
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    33/340    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    44/020    DATE  12/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        1
LIGHT RAIN                3     FREEZING RAIN               0
LT FREEZING RAIN          4     HAIL                        0
HEAVY SNOW                1     SNOW                        4
LIGHT SNOW               14     SLEET                       2
FOG                      16     FOG W/VIS <= 1/4 MILE       5
HAZE                      0

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

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