Climatological Report (Monthly)
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
128
CXUS53 KFSD 011934
CLMSUX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
234 PM CDT TUE SEP 01 2026
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...THE SIOUX CITY IA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1889 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 108 08/24/1936
08/04/1934
LOW 37 08/20/1950
HIGHEST 94 08/11 MM MM 93 08/16
08/17
LOWEST 50 08/08 MM MM 44 08/25
AVG. MAXIMUM 83.6 82.6 1.0 81.8
AVG. MINIMUM 62.0 60.8 1.2 61.5
MEAN 72.8 71.7 1.1 71.6
DAYS MAX >= 90 3 5.1 -2.1 2
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 10.12 2014
MINIMUM 0.12 1971
TOTALS 3.85 3.94 -0.09 4.01
DAILY AVG. 0.12 0.13 -0.01 0.13
DAYS >= .01 9 9.8 -0.8 10
DAYS >= .10 6 6.1 -0.1 8
DAYS >= .50 3 2.4 0.6 3
DAYS >= 1.00 2 1.2 0.8 2
GREATEST
24 HR. TOTAL 2.01 08/12 TO 08/13
DEGREE DAYS
HEATING TOTAL 0 11 -11 15
SINCE 7/1 0 10 -10 15
COOLING TOTAL 250 219 31 228
SINCE 1/1 991 768 223 864
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WIND (MPH)
AVERAGE WIND SPEED 7.2
HIGHEST WIND SPEED/DIRECTION 30/330 DATE 08/04
HIGHEST GUST SPEED/DIRECTION 39/330 DATE 08/04
39/260 08/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.24
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 3
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 21 FOG W/VIS <= 1/4 MILE 5
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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