063
CXUS53 KFSD 012246
CLMSUX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
545 PM CDT WED OCT 01 2025
...............................
...THE SIOUX CITY IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1889 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 103 09/02/2000
LOW 24 09/29/1945
HIGHEST 93 09/13 MM MM 90 09/28
LOWEST 36 09/07 MM MM 37 09/23
AVG. MAXIMUM 79.7 76.6 3.1 83.3
AVG. MINIMUM 53.2 51.2 2.0 52.1
MEAN 66.4 63.9 2.5 67.7
DAYS MAX >= 90 2 2.3 -0.3 1
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 9.69 1965
MINIMUM 0.07 1950
TOTALS 2.05 2.84 -0.79 0.22
DAILY AVG. 0.07 0.09 -0.02 0.01
DAYS >= .01 5 8.0 -3.0 2
DAYS >= .10 4 4.6 -0.6 1
DAYS >= .50 1 1.8 -0.8 0
DAYS >= 1.00 1 0.8 0.2 0
GREATEST
24 HR. TOTAL 1.01 09/14 TO 09/14
DEGREE DAYS
HEATING TOTAL 55 121 -66 35
SINCE 7/1 70 137 -67 40
COOLING TOTAL 106 88 18 120
SINCE 1/1 970 856 114 848
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WIND (MPH)
AVERAGE WIND SPEED 7.0
HIGHEST WIND SPEED/DIRECTION 41/240 DATE 09/14
HIGHEST GUST SPEED/DIRECTION 64/230 DATE 09/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.25
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 9 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 6
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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