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

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CXUS53 KFSD 011256
CLMFSD

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

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

...THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/06/1976
                        09/06/1922
                        09/05/1913
 LOW               13   09/29/1899
HIGHEST            91   09/22        MM      MM       88  09/21
LOWEST             41   09/27        MM      MM       40  09/29
                        09/17
AVG. MAXIMUM     76.4              73.2     3.2     76.0
AVG. MINIMUM     53.8              49.3     4.5     55.4
MEAN             65.1              61.3     3.8     65.7
DAYS MAX >= 90      1               1.1    -0.1        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.9    -0.9        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.26   1986
 MINIMUM            T   1892
                        1891
TOTALS           1.62              2.77   -1.15     7.55
DAILY AVG.       0.05              0.09   -0.04     0.25
DAYS >= .01        11               8.7     2.3        9
DAYS >= .10         4               5.1    -1.1        8
DAYS >= .50         1               1.8    -0.8        4
DAYS >= 1.00        0               0.7    -0.7        2
GREATEST
 24 HR. TOTAL    0.65   09/24 TO 09/25

DEGREE_DAYS
HEATING TOTAL      86               173     -87       70
 SINCE 7/1         92               204    -112       78
COOLING TOTAL      98                60      38       97
 SINCE 1/1        772               685      87      877
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    41/310    DATE  09/19
HIGHEST GUST SPEED/DIRECTION    59/270    DATE  09/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      0
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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