Steffenville, Missouri

Steffenville is an unincorporated community in southwestern Lewis County, Missouri, United States.[1] It is located on Missouri Supplemental Route D, approximately 22 miles southwest of Canton. The community is part of the Quincy, IL–MO Micropolitan Statistical Area.

A post office called Steffenville was established in 1872, and remained in operation until 1988.[2] Steffenville was named for Henry Steffens, a pioneer settler.[3] The Steffens family was the original owner of the town site.[4]

Climate

According to the Köppen Climate Classification system, Steffenville has a humid subtropical climate, abbreviated "Cfa" on climate maps. The hottest temperature recorded in Steffenville was 115 °F (46.1 °C) on July 15, 1936, while the coldest temperature recorded was −28 °F (−33.3 °C) on February 13, 1905.[5]

Climate data for Steffenville, Missouri, 1991–2020 normals, extremes 1897–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 74
(23) 		80
(27) 		90
(32) 		94
(34) 		102
(39) 		107
(42) 		115
(46) 		113
(45) 		109
(43) 		98
(37) 		85
(29) 		74
(23) 		115
(46)
Mean maximum °F (°C) 58.2
(14.6) 		64.3
(17.9) 		75.3
(24.1) 		82.7
(28.2) 		87.7
(30.9) 		92.4
(33.6) 		96.1
(35.6) 		96.1
(35.6) 		91.8
(33.2) 		84.9
(29.4) 		72.0
(22.2) 		61.9
(16.6) 		97.9
(36.6)
Mean daily maximum °F (°C) 34.5
(1.4) 		39.5
(4.2) 		52.1
(11.2) 		64.1
(17.8) 		73.2
(22.9) 		81.9
(27.7) 		85.7
(29.8) 		84.3
(29.1) 		77.7
(25.4) 		65.6
(18.7) 		50.9
(10.5) 		38.6
(3.7) 		62.3
(16.9)
Daily mean °F (°C) 26.1
(−3.3) 		30.5
(−0.8) 		41.8
(5.4) 		53.0
(11.7) 		63.0
(17.2) 		72.1
(22.3) 		75.6
(24.2) 		73.9
(23.3) 		66.3
(19.1) 		54.9
(12.7) 		41.8
(5.4) 		30.9
(−0.6) 		52.5
(11.4)
Mean daily minimum °F (°C) 17.8
(−7.9) 		21.5
(−5.8) 		31.5
(−0.3) 		42.0
(5.6) 		52.8
(11.6) 		62.2
(16.8) 		65.5
(18.6) 		63.5
(17.5) 		55.0
(12.8) 		44.1
(6.7) 		32.6
(0.3) 		23.3
(−4.8) 		42.7
(5.9)
Mean minimum °F (°C) −4.1
(−20.1) 		0.8
(−17.3) 		11.5
(−11.4) 		26.2
(−3.2) 		38.1
(3.4) 		50.7
(10.4) 		55.9
(13.3) 		53.9
(12.2) 		39.8
(4.3) 		27.8
(−2.3) 		15.6
(−9.1) 		2.9
(−16.2) 		−7.8
(−22.1)
Record low °F (°C) −24
(−31) 		−28
(−33) 		−11
(−24) 		5
(−15) 		26
(−3) 		38
(3) 		42
(6) 		38
(3) 		24
(−4) 		7
(−14) 		−10
(−23) 		−26
(−32) 		−28
(−33)
Average precipitation inches (mm) 1.70
(43) 		1.85
(47) 		2.49
(63) 		4.01
(102) 		5.06
(129) 		4.84
(123) 		3.98
(101) 		3.88
(99) 		3.73
(95) 		3.41
(87) 		2.61
(66) 		1.91
(49) 		39.47
(1,004)
Average snowfall inches (cm) 5.8
(15) 		4.1
(10) 		2.1
(5.3) 		0.7
(1.8) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		0.1
(0.25) 		1.0
(2.5) 		4.0
(10) 		17.8
(44.85)
Average precipitation days (≥ 0.01 in) 6.6 6.6 8.0 10.7 11.5 9.9 9.0 8.3 6.6 7.7 6.9 6.9 98.7
Average snowy days (≥ 0.1 in) 3.9 3.0 1.5 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.6 2.9 12.4
Source 1: NOAA[6]
Source 2: National Weather Service[5]

References

  1. ^ U.S. Geological Survey Geographic Names Information System: Steffenville, Missouri
  2. ^ "Post Offices". Jim Forte Postal History. Retrieved October 26, 2016.
  3. ^ Eaton, David Wolfe (1916). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. pp. 185.
  4. ^ "Lewis County Place Names, 1928–1945 (archived)". The State Historical Society of Missouri. Archived from the original on June 24, 2016. Retrieved October 26, 2016.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  5. ^ a b "NOAA Online Weather Data – NWS St. Louis". National Weather Service. Retrieved March 4, 2024.
  6. ^ "U.S. Climate Normals Quick Access – Station: Steffenville, MO". National Oceanic and Atmospheric Administration. Retrieved March 4, 2024.

39°58′14″N 91°52′56″W / 39.97056°N 91.88222°W / 39.97056; -91.88222


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