Census-designated place in Montana, United States
Potomac is an unincorporated community and census-designated place (CDP) in Missoula County , Montana , United States. It was first listed as a CDP prior to the 2020 census , at which time it had a population of 26.[ 2]
Geography
Potomac is in the southeastern part of Missoula County, in the valley of Camas Creek and Union Creek, which flows northwest to the Blackfoot River , part of the Clark Fork watershed. Montana Highway 200 passes along the northern edge of the community, leading northeast 28 miles (45 km) to Ovando and west 23 miles (37 km) to Missoula .
According to the U.S. Census Bureau , the Potomac CDP has an area of 0.28 square miles (0.73 km2 ), all land.[ 1]
Demographics
Historical population
Census Pop. Note %± 2020 26 —
Climate
According to the Köppen Climate Classification system, Potomac has a warm-summer humid continental climate , abbreviated "Dfb" on climate maps. The hottest temperature recorded in Potomac was 103 °F (39.4 °C) on July 14, 002, while the coldest temperature recorded was −50 °F (−45.6 °C) on December 23–24, 1983.[ 5]
Climate data for Potomac, Montana, 1991–2020 normals, extremes 1964–present
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year
Record high °F (°C)
60
64
76
86
97
97
103
102
97
88
72
64
103
Mean maximum °F (°C)
46.2
50.6
62.4
74.3
83.4
88.4
95.3
94.3
89.2
76.6
55.7
44.7
97.0
Mean daily maximum °F (°C)
29.8
35.0
45.5
53.8
64.0
71.3
82.0
81.8
71.0
55.4
39.3
29.1
54.8
Daily mean °F (°C)
19.1
21.7
31.5
38.8
46.9
54.8
61.3
60.2
51.5
39.4
27.7
18.9
39.3
Mean daily minimum °F (°C)
8.3
8.5
17.5
23.8
29.9
38.3
40.6
38.7
32.0
23.4
16.2
8.7
23.8
Mean minimum °F (°C)
−17.6
−13.5
1.0
13.6
18.9
28.2
32.6
29.8
22.0
6.3
−0.6
−13.2
−27.4
Record low °F (°C)
−47
−45
−37
−4
13
23
24
22
10
−21
−23
−50
−50
Average precipitation inches (mm)
1.38
1.03
0.76
1.13
1.86
2.16
0.83
0.62
0.91
1.46
1.55
1.41
15.10
Average snowfall inches (cm)
15.5
7.2
4.6
1.3
0.4
0.0
0.0
0.0
0.2
1.9
7.4
13.3
51.8
Average extreme snow depth inches (cm)
11.1
11.5
9.5
1.5
0.2
0.0
0.0
0.0
0.1
0.5
3.8
10.6
16.8
Average precipitation days (≥ 0.01 in)
8.0
5.9
5.6
5.6
8.0
9.5
5.4
3.9
5.4
7.0
8.0
8.2
80.5
Average snowy days (≥ 0.1 in)
5.6
4.8
2.8
0.7
0.1
0.0
0.0
0.0
0.1
0.8
2.9
6.5
24.3
Source 1: NOAA[ 6]
Source 2: National Weather Service[ 5]
The Seeley-Swan Pathfinder is the newspaper for Potomac.[ 7]
Education
The school districts are Potomac Elementary School District and Missoula High School District .[ 8]
References
^ a b "2023 U.S. Gazetteer Files: Montana" . United States Census Bureau. Retrieved June 6, 2024 .^ a b "P1. Race – Potomac CDP, Montana: 2020 DEC Redistricting Data (PL 94-171)" . U.S. Census Bureau. Retrieved June 6, 2024 .^ "Potomac Census Designated Place" . Geographic Names Information System United States Geological Survey , United States Department of the Interior .^ "Census of Population and Housing" . Census.gov. Retrieved June 4, 2016 .^ a b
"NOAA Online Weather Data – NWS Missoula" . National Weather Service. Retrieved August 7, 2023 .
^
"U.S. Climate Normals Quick Access – Station: Potomac, MT" . National Oceanic and Atmospheric Administration. Retrieved August 7, 2023 .
^ "News" . Seeley-Swan Pathfinder. Retrieved August 31, 2023 .^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Missoula County, MT" (PDF) . U.S. Census Bureau . Retrieved March 13, 2024 .
