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

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CXUS53 KFSD 011257
CLMHON

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
753 AM CDT SUN OCT 1 2017

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

...THE HURON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             106   09/06/1970
                        09/09/1904
 LOW               18   09/29/1899
                        09/27/1893
HIGHEST            94   09/13        MM      MM       89  09/23
                        09/12
LOWEST             37   09/06        MM      MM       34  09/28
AVG. MAXIMUM     76.5              74.7     1.8     76.0
AVG. MINIMUM     51.8              48.8     3.0     51.9
MEAN             64.1              61.7     2.4     64.0
DAYS MAX >= 90      3               2.1     0.9        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.8    -0.8        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.75   1901
 MINIMUM            T   1998
TOTALS           5.97              2.46    3.51     1.29
DAILY AVG.       0.20              0.08    0.12     0.04
DAYS >= .01        10               7.5     2.5        7
DAYS >= .10         6               4.7     1.3        4
DAYS >= .50         3               1.9     1.1        0
DAYS >= 1.00        3               0.6     2.4        0
GREATEST
 24 HR. TOTAL    3.88   09/23 TO 09/24

DEGREE_DAYS
HEATING TOTAL     123               167     -44      100
 SINCE 7/1        132               196     -64      117
COOLING TOTAL     107                69      38       76
 SINCE 1/1        727               738     -11      882
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    41/250    DATE  09/19
HIGHEST GUST SPEED/DIRECTION    56/260    DATE  09/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      2
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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