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Enemy Swim, SD

Full City Profile · South Dakota · Day County County

1.8 /5.0
D Poor
291 Population 313/sq mi density
$29,125 Median Income $13,373 per capita
44°F Avg Temperature 276 sunny days/yr
449 Violent Crime/100K 1,142 property/100K
D
Overall
1.8 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Economy
1.2 / 5.0
$29,125 median income, 14.8% unemployment
F
Safety
1.0 / 5.0
449 violent crimes/100K (18% above avg)
B
Education
3.1 / 5.0
26.7% bachelor's degree or higher
Enemy Swim has a cool climate with an average annual temperature of 44°F (7°C). Winters average 13°F in January while summers reach 72°F in July. The area gets 276 sunny days per year. Annual precipitation totals 22.5 inches. The area receives 35.6 inches of snow annually. Air quality is rated Good with a median AQI of 35.

Temperature

13°F Jan (-11°C) 72°F Jul (22°C)
Annual Average44.1°F
18% below US avg
January Average13°F (-11°C)
July Average72°F (22°C)
Sunny Days276 days/yr

Geography

Elevation1,880 ft (573 m)
Area0.9 sq mi (2.4 km²)
Population Density313/sq mi
Coordinates45.4294°N, 97.2869°W
TimezoneAmerica/Chicago
CountyDay County County
Nearest AirportWatertown Regional (ATY)
36 miles away

Precipitation & Snow

Annual Rainfall 22.5"
41% below US avg
Snowfall 35.6"
Wettest Month (Jun) 3.39"
Driest Month (Dec) 0.39"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score27.6 / 100
Social Vulnerability74.7 / 100
Community Resilience84.5 / 100

Hazard Breakdown

Tornado Relatively Low
Earthquake Very Low
Wildfire Relatively Low
Flood Very Low
Hail Relatively Low
Strong Wind Relatively Moderate
Heat Wave Very Low
Winter Weather Relatively Moderate
Lightning Very Low
Ice Storm Relatively Moderate
Drought Very Low
Cold Wave Relatively Moderate
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

4 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M2.5 on Apr 29, 2011.

Jun 5, 1993 11 km N of Johnson, Minnesota M4.1 82 km
Oct 20, 1995 8 km SSE of New Effington, South Dakota M3.7 52 km
Jul 26, 2002 0 km WSW of Huron, South Dakota M3.1 140 km
Apr 29, 2011 Minnesota M2.5 150 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

415 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 4 fatalities, 67 injuries.

Date Rating Distance Fatalities
Aug 7, 2010 EF4 91 km 0
Jun 23, 2002 EF4 93 km 0
May 30, 2022 EF3 79 km 0
May 31, 1996 EF3 93 km 0
May 17, 1996 EF3 62 km 0
May 12, 1984 EF3 70 km 0
Jul 18, 1983 EF3 60 km 0
May 10, 1982 EF3 91 km 0
Jul 1, 1973 EF3 77 km 0
Jul 1, 1973 EF3 77 km 0
Jul 1, 1973 EF3 97 km 1
Jun 25, 1969 EF3 62 km 0
May 5, 1964 EF3 87 km 0
Jun 21, 1961 EF3 74 km 1
Jul 1, 1952 EF3 76 km 0
May 30, 2022 EF2 91 km 0
May 12, 2022 EF2 98 km 0
May 12, 2022 EF2 82 km 0
May 12, 2022 EF2 91 km 0
Jul 10, 2011 EF2 92 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: LOUISBURGRADE (6,487 ac, 2004).

Year Name Acres Distance
2004 LOUISBURGRADE 6,487 86 km
2004 FISH FIRE 1,799 80 km
2003 DANIELSON 1,682 52 km
2004 TACOMA PARK PLACE 1,336 76 km
2005 GRAND MEWS 1,245 76 km
2016 SLR 2016 RX MICHELL 1,242 88 km
2000 PHEASANT OPENER 1,206 48 km
1998 LEE 1,137 75 km
2016 UNNAMED 1,128 80 km
1995 UNNAMED 1,115 75 km
2003 ANDERSON 1,082 79 km
2019 UNNAMED 1,060 80 km
2021 HARTLEBEN WPA 1,002 77 km
1998 ANDREASEN 1,001 79 km
1992 SPRING LK 1,001 2 km
1990 ANDERSON 988 76 km
2007 ANDERSON 797 79 km
2006 ANDERSON 764 76 km
1986 ANDERSON 746 79 km
2000 FISH 720 78 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 13°F (-11°C) 0.5 in Coldest
February 16°F (-9°C) 0.5 in
March 28°F (-2°C) 1.2 in
April 43°F (6°C) 1.9 in
May 57°F (14°C) 2.9 in
June 66°F (19°C) 3.4 in Wettest
July 72°F (22°C) 3.2 in Warmest
August 69°F (21°C) 2.8 in
September 59°F (15°C) 1.9 in
October 46°F (8°C) 1.5 in
November 28°F (-2°C) 0.7 in
December 15°F (-10°C) 0.4 in Driest

Enemy Swim has a seasonal temperature swing of 59°F / from 13°F in January to 72°F in July. Total annual precipitation is 20.8 inches, with June being the wettest month (3.4") and December the driest (0.4").

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