Stephan, United States Page

World:United States:South Dakota
Latitude 44.2480 Longitude -99.4532 Altitude (feet) 1801
Lat (DMS) 44° 14' 53N Long (DMS) 99° 27' 12W Altitude (meters) 548
Time zone (est) America/Chicago
Approximate population for 7 km radius from this point:
Wikipedia: http://en.wikipedia.org/wiki/Stephan%2C_South_Dakota

Weather Charts

New Covid-19 forecasts: Per the US DHS, the half-life of the SARS-CoV-2 virus in open air is inversely correlated to UV radiation, relative humidity, and temperature. Choose those graphs below for a rough estimate. UV radiation (sunlight) matters a lot (high UV is good), relative humidity and temperature matter less, but for both, high values are good. [1]
Example 1: High UV, 30C, RH 70% -> half life of 1.9 minutes.
Example 2: Low UV, 10C, RH 20% -> half life of 107 minutes. Two orders of magnitude worse.

Stephan Temperature in Celsius

Display: Relative Humidity
Time in GMT, not local. Click-drag to zoom,click-click to reset,shift-click to drag.


Stephan Cloud Cover in Percent

Display: Relative Humidity
Time in GMT, not local. Click-drag to zoom,click-click to reset,shift-click to drag.


Stephan Precipitation

Display: Relative Humidity
Time in GMT, not local. Click-drag to zoom,click-click to reset,shift-click to drag.

Nearby Cities and Towns
West North East South
Highmore (16.4 nm)
Holabird (17.6 nm)
Bramhall (historical) (17.6 nm)
Ree Heights (19.5 nm)
Harrold (20.6 nm)
Macs Corner (0.6 nm)
Ames (15.9 nm)
Miller Dale Colony (17.2 nm)
Fort Thompson (10.8 nm)
Lower Brule (11.6 nm)
Lees Corner (11.6 nm)
Council House (11.8 nm)
Grosse (20.5 nm)
Crow Creek (20.2 nm)
Reliance (23.1 nm)
Shelby (21.3 nm)
Chamberlain (26.8 nm)
Oacoma (27.2 nm)
Lyman (25.2 nm)

Nearby Airports

Code IATA Kind Name City Distance Bearing Airlines
9D0 Small HIGHMORE MUNI HIGHMORE 17 nm N 1
5G3 Small HARROLD MUNI HARROLD 21 nm N 323
SD09 Heli MID-DAKOTA HOSPITAL CHAMBERLAIN 28 nm S 168
KPIR PIR Large PIERRE RGNL PIERRE 36 nm W 283 CSA Air, Inc., Great Lakes Airlines
KHON HON Large HURON RGNL HURON 53 nm E 80 Great Lakes Airlines
Nearby references in Wikipedia:
Distance Title
3.7 nm E List of United States tornadoes from June to July 2014
3.7 nm E June 16–18, 2014 tornado outbreak
6.1 nm N Wind power in South Dakota
7.2 nm S Crow Creek Indian Reservation
11.3 nm S Fort Thompson, South Dakota
11.8 nm S Lake Sharpe
11.9 nm S Big Bend Dam


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Sat Aug 27 18:43:48 2016