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

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CXUS53 KFSD 020450 CCA
CLMFSD

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1048 AM CDT FRI SEP 1 2017

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

...THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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             109   08/24/1936
 LOW               34   08/20/1950
                        08/29/1893
HIGHEST            89   08/01        MM      MM       94  08/10
LOWEST             48   08/04        MM      MM       49  08/26
                                                          08/21
AVG. MAXIMUM     78.7              81.7    -3.0     82.8
AVG. MINIMUM     57.6              59.6    -2.0     61.7
MEAN             68.1              70.7    -2.6     72.2
DAYS MAX >= 90      0               3.6    -3.6        3
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.33   1932
 MINIMUM         0.36   1907
TOTALS           5.42              3.05    2.37     2.32
DAILY AVG.       0.17              0.10    0.07     0.07
DAYS >= .01        11               9.1     1.9        6
DAYS >= .10         4               5.3    -1.3        4
DAYS >= .50         4               1.9     2.1        2
DAYS >= 1.00        3               0.9     2.1        1
GREATEST
 24 HR. TOTAL    2.15   08/21 TO 08/21

DEGREE_DAYS
HEATING TOTAL       6                23     -17        3
 SINCE 7/1          6                31     -25        8
COOLING TOTAL     113               198     -85      236
 SINCE 1/1        674               625      49      780
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    29/110    DATE  08/21
HIGHEST GUST SPEED/DIRECTION    38/290    DATE  08/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      3
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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