938
CXUS53 KFSD 012247
CLMHON
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
546 PM CDT WED OCT 01 2025
...............................
..THE HURON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1881 TO 2025
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 93 09/29 MM MM 90 09/15
09/28
09/29
LOWEST 37 09/07 MM MM 37 09/22
AVG. MAXIMUM 79.0 75.7 3.3 83.0
AVG. MINIMUM 54.5 49.5 5.0 53.3
MEAN 66.7 62.6 4.1 68.1
DAYS MAX >= 90 1 2.3 -1.3 3
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 1.30 2.43 -1.13 0.16
DAILY AVG. 0.04 0.08 -0.04 0.01
DAYS >= .01 6 6.8 -0.8 4
DAYS >= .10 4 4.4 -0.4 0
DAYS >= .50 1 1.7 -0.7 0
DAYS >= 1.00 0 0.7 -0.7 0
GREATEST
24 HR. TOTAL 0.91 09/17 TO 09/18
DEGREE DAYS
HEATING TOTAL 59 150 -91 48
SINCE 7/1 84 175 -91 60
COOLING TOTAL 116 77 39 147
SINCE 1/1 903 747 156 772
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.9
HIGHEST WIND SPEED/DIRECTION 43/330 DATE 09/04
HIGHEST GUST SPEED/DIRECTION 57/340 DATE 09/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.22
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 1
LIGHT RAIN 12 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 5
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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