Marston Lake is a reservoir in Denver, Colorado. It is owned by Denver Water and was completed in 1902.[2] The reservoir sends water to the Marston treatment plant, and from there the water is distributed to Denver residents.

Marston Lake[1]
The lake in 2016.
Location of Marston Lake in Colorado, USA.
Location of Marston Lake in Colorado, USA.
Marston Lake[1]
Location of Marston Lake in Colorado, USA.
Location of Marston Lake in Colorado, USA.
Marston Lake[1]
LocationDenver, Colorado
Coordinates39°37′48″N 105°04′04″W / 39.63000°N 105.06778°W / 39.63000; -105.06778
Primary inflowsSouth Platte River
Basin countriesUnited States
Managing agencyDenver Water
Water volume19,795 acre⋅ft (24,417,000 m3)
Surface elevation5,525 ft (1,684 m)

The reservoir receives water from the South Platte River. The river receives water from the Colorado Western Slope through a transmountain diversion via the Roberts Tunnel.

Climate

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According to the Köppen Climate Classification system, Marston Lake has a cold semi-arid climate, abbreviated "BSk" on climate maps. The hottest temperature recorded at Marston Lake was 104 °F (40 °C) on July 18, 1998, while the coldest temperature recorded was −19 °F (−28 °C) on December 31, 2014.[3]

Climate data for Marston Filter Plant, Colorado, 1991–2020 normals, extremes 1998–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 72
(22)
77
(25)
81
(27)
84
(29)
96
(36)
100
(38)
102
(39)
104
(40)
97
(36)
87
(31)
80
(27)
73
(23)
104
(40)
Mean maximum °F (°C) 65.5
(18.6)
66.7
(19.3)
74.5
(23.6)
78.4
(25.8)
85.1
(29.5)
95.2
(35.1)
96.6
(35.9)
94.4
(34.7)
91.8
(33.2)
82.3
(27.9)
74.4
(23.6)
65.5
(18.6)
97.7
(36.5)
Mean daily maximum °F (°C) 45.8
(7.7)
46.5
(8.1)
54.6
(12.6)
60.1
(15.6)
69.0
(20.6)
80.8
(27.1)
86.4
(30.2)
85.0
(29.4)
77.2
(25.1)
64.2
(17.9)
53.4
(11.9)
45.4
(7.4)
64.0
(17.8)
Daily mean °F (°C) 32.6
(0.3)
33.4
(0.8)
41.3
(5.2)
47.3
(8.5)
56.4
(13.6)
67.1
(19.5)
73.0
(22.8)
71.3
(21.8)
63.0
(17.2)
50.4
(10.2)
40.6
(4.8)
32.8
(0.4)
50.8
(10.4)
Mean daily minimum °F (°C) 19.3
(−7.1)
20.3
(−6.5)
28.1
(−2.2)
34.5
(1.4)
43.8
(6.6)
53.4
(11.9)
59.5
(15.3)
57.5
(14.2)
48.7
(9.3)
36.7
(2.6)
27.7
(−2.4)
20.2
(−6.6)
37.5
(3.0)
Mean minimum °F (°C) 0.0
(−17.8)
−0.3
(−17.9)
12.1
(−11.1)
20.5
(−6.4)
29.9
(−1.2)
44.1
(6.7)
53.1
(11.7)
49.1
(9.5)
38.3
(3.5)
21.8
(−5.7)
11.7
(−11.3)
−1.7
(−18.7)
−7.6
(−22.0)
Record low °F (°C) −8
(−22)
−16
(−27)
−6
(−21)
6
(−14)
15
(−9)
31
(−1)
49
(9)
42
(6)
29
(−2)
7
(−14)
−6
(−21)
−19
(−28)
−19
(−28)
Average precipitation inches (mm) 0.48
(12)
0.67
(17)
1.19
(30)
2.07
(53)
2.73
(69)
1.87
(47)
2.05
(52)
1.85
(47)
1.26
(32)
1.04
(26)
0.74
(19)
0.61
(15)
16.56
(419)
Average snowfall inches (cm) 6.3
(16)
6.2
(16)
5.4
(14)
4.1
(10)
0.8
(2.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
1.7
(4.3)
3.7
(9.4)
5.9
(15)
34.1
(86.7)
Average precipitation days (≥ 0.01 in) 4.1 4.4 5.1 7.2 9.8 7.7 8.3 9.0 6.0 5.1 3.7 3.9 74.3
Average snowy days (≥ 0.1 in) 3.3 4.0 3.3 1.9 0.5 0.0 0.0 0.0 0.0 0.9 2.0 3.4 19.3
Source 1: NOAA[4]
Source 2: National Weather Service (mean maxima and minima 2006–2020)[3]

See also

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References

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  1. ^ "Marston Lake". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2016-07-13.
  2. ^ Denver Water. Historical timeline. Viewed: 2016-07-13.
  3. ^ a b "NOAA Online Weather Data". National Weather Service. Retrieved August 9, 2022.
  4. ^ "U.S. Climate Normals Quick Access". National Oceanic and Atmospheric Administration. Retrieved August 9, 2022.