McPhee
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Water Summary
Today is day 230 of 365 for water year 2026.
We are 63% through the Water Year.
Last Reading: 6877.09 on Monday, May 18th, 2026
McPhee was last within 3" of this elevation on May 17, 2026
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| Elevation & Content |
Water Inflow Data |
McPhee Dam Release Data | McPhee is 51.91 feet below Full Pool (Elevation 6929.00 )
By content, McPhee is 54.46% of Full Pool (381,051 af)
| Total inflows for water year 2026: 81,070 acre feet
This is 48.04% of the average of 168,757 acre feet | Total releases for water year 2026: 7,045 acre feet
This is % of last year's release of 20,615 acre feet |
| During WY 2026, water storage has risen by 32,281 AF and total inflows have exceeded total outflows by 74,025 AF |
| Inflows for WY 2026 are 112.89% of WY 2025
Rivers feeding McPhee are running at 21.79% of the avg. Click for Details
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McPhee is down -12.67 feet from one year ago. McPhee is at high for water year and up 12.96 feet from the low.
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View Acre Feet
Last 14 Measurements
McPhee is up 0.13 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
| Mon, May 18, 2026 |
6877.09 |
0.00 |
207,530 |
432 |
11 |
59.5 |
43.7 |
| Sun, May 17, 2026 |
6877.09 |
0.07 |
207,530 |
541 |
19 |
72.7 |
50.5 |
| Sat, May 16, 2026 |
6877.02 |
0.05 |
207,326 |
537 |
5 |
79.3 |
53.6 |
| Fri, May 15, 2026 |
6876.97 |
0.07 |
207,181 |
610 |
5 |
79.7 |
52.0 |
| Thu, May 14, 2026 |
6876.90 |
0.09 |
206,978 |
578 |
5 |
77.8 |
49.3 |
| Wed, May 13, 2026 |
6876.81 |
0.04 |
206,717 |
471 |
5 |
83.8 |
56.7 |
| Tue, May 12, 2026 |
6876.77 |
0.00 |
206,601 |
443 |
5 |
85.6 |
54.0 |
| Mon, May 11, 2026 |
6876.77 |
-0.02 |
206,601 |
377 |
5 |
80.4 |
46.2 |
| Sun, May 10, 2026 |
6876.79 |
-0.01 |
206,659 |
323 |
7 |
76.7 |
45.1 |
| Sat, May 09, 2026 |
6876.80 |
-0.07 |
206,688 |
300 |
11 |
77.5 |
49.5 |
| Fri, May 08, 2026 |
6876.87 |
-0.05 |
206,891 |
280 |
11 |
78.7 |
45.5 |
| Thu, May 07, 2026 |
6876.92 |
0.00 |
207,036 |
265 |
11 |
67.3 |
33.4 |
| Wed, May 06, 2026 |
6876.92 |
-0.04 |
207,036 |
241 |
11 |
56.7 |
39.6 |
| Tue, May 05, 2026 |
6876.96 |
-0.06 |
207,152 |
237 |
n/a |
61.5 |
44.9 |
| Averages of List |
6876.91 |
0.01 |
206,995 |
402.5 |
8.5 |
74.1 |
47.4 |
Averages for May 18th
| AVERAGE TYPE |
ELEVATION |
CUR ELEV vs AVG FOR DATE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
| All-Time |
6903.25 |
-26.16 |
305,121 |
1980.40 |
775.95 |
71.93 |
45.87 |
Last 10 May 18th's data records
| DATE MEASURED |
ELEVATION |
TODAY vs THEN |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
| Sun, May 18, 2025 |
6889.76 |
-12.67 |
247,301 |
814 |
15 |
63.2 |
46.3 |
| Sat, May 18, 2024 |
6905.96 |
-28.87 |
306,028 |
1110 |
51 |
76.4 |
52.6 |
| Thu, May 18, 2023 |
6917.56 |
-40.47 |
353,059 |
4332 |
39 |
73.4 |
52.5 |
| Wed, May 18, 2022 |
6891.39 |
-14.30 |
252,846 |
1432 |
10 |
83.0 |
40.0 |
| Tue, May 18, 2021 |
6868.98 |
8.11 |
185,077 |
662 |
11 |
65.0 |
46.0 |
| Mon, May 18, 2020 |
6900.46 |
-23.37 |
285,208 |
1029 |
50 |
83.0 |
40.0 |
| Sat, May 18, 2019 |
6909.72 |
-32.63 |
320,801 |
2274 |
141 |
n/a |
n/a |
| Fri, May 18, 2018 |
6896.49 |
-19.40 |
270,744 |
349 |
40 |
n/a |
n/a |
| Thu, May 18, 2017 |
6916.50 |
-39.41 |
348,581 |
1837 |
803 |
n/a |
n/a |
| Wed, May 18, 2016 |
6914.09 |
-37.00 |
338,536 |
1785 |
54 |
n/a |
n/a |
| Averages of List |
6901.27 |
-24.18 |
291,529 |
1428 |
131 |
73.9 |
40.7 |
Search DB For More Water Data Facts
Measurements are taken at 11:59 pm of the date listed
Temperature data is from Lewis, CO
CHANGE represents water elevation change from previous day
Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1.9835 * Flow CFS
TP = Total Precipitation
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Copyright Water-Data.com
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
*Air temp data is sourced from (Prev 24 Hr Extremes):
Lewis, CO Weather
Water data sourced from: McPhee Source Data
Weather forecast for Lewis, CO
All data is provisional and subject to review and modification
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1999 - 2026
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