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St. Mary Reservoir water level today

Reservoir in Alberta

1,095.638m
3,594.61 ft · gauge reading (local datum, not an elevation)
Measured · provisional
Normal for the dateSteady
24 hours
▼ 0.026 m
7 days
▼ 0.142 m
30 days
▼ 2.744 m
Normal for Oct 23 ?
1,097.596 m

At a glance · Oct 23

About normal

St. Mary Reservoir is 1.96 m lower than normal for Oct 23, lower than on this date in 3 of the last 10 years, but still within its normal range.

  • This week↘ Falling 0.14 m
  • Lowest on record↓ 1,064.21 m (1951)

Compared with this gauge's own records for the same date. A statistical guide, not advice.

Normal for Oct 23Record lowToday1,095.64 m

Today compared with past years on Oct 23

Lowest to highest on this date: 1,078.64–1,102.47 mUsual range (10th–90th percentile): 1,086.25–1,100.51 mNormal (25th–75th percentile): 1,093.52–1,099.67 mToday: 1,095.64 mToday 1,095.64 mMedian 1,097.60Lowest 1,078.6425th75th
Lowest to highest on this date: 1,078.64–1,102.47 mUsual range (10th–90th percentile): 1,086.25–1,100.51 mNormal (25th–75th percentile): 1,093.52–1,099.67 mToday: 1,095.64 mToday 1,095.64 mMedian 1,097.60Lowest 1,078.6425th75th

Where today's reading sits among this gauge's own records for the same date (±3 days). A statistical guide, not advice.

What this means

It is lower than on Oct 23 in 3 of the last 10 years.

The lake has fallen 0.142 m in 7 days and fallen 2.744 m in 30 days.

Since 1951, the lowest daily level was 1,064.210 m (Apr 1951) and the highest 1,103.710 m (Jun 2014).

St. Mary Reservoir level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

2026 compared with 2025

1,0811,0871,0931,0991,105JanFebMarAprMayJunJulAugSepOctNovDec202520262025-01-01: 1,097.31 m2025-01-06: 1,097.29 m2025-01-11: 1,097.29 m2025-01-16: 1,097.29 m2025-01-21: 1,097.27 m2025-01-26: 1,097.24 m2025-01-31: 1,097.21 m2025-02-05: 1,097.19 m2025-02-10: 1,097.16 m2025-02-15: 1,097.14 m2025-02-20: 1,097.11 m2025-02-25: 1,097.11 m2025-03-02: 1,097.13 m2025-03-07: 1,097.16 m2025-03-12: 1,097.17 m2025-03-17: 1,097.18 m2025-03-22: 1,097.18 m2025-03-27: 1,097.18 m2025-04-01: 1,097.29 m2025-04-06: 1,097.56 m2025-04-11: 1,097.76 m2025-04-16: 1,098.02 m2025-04-21: 1,098.56 m2025-04-26: 1,099.05 m2025-05-01: 1,099.36 m2025-05-06: 1,099.66 m2025-05-11: 1,100.20 m2025-05-16: 1,100.96 m2025-05-21: 1,101.58 m2025-05-26: 1,101.78 m2025-05-31: 1,101.79 m2025-06-05: 1,102.11 m2025-06-10: 1,102.10 m2025-06-15: 1,101.99 m2025-06-20: 1,101.75 m2025-06-25: 1,101.81 m2025-06-30: 1,101.43 m2025-07-05: 1,100.67 m2025-07-10: 1,100.01 m2025-07-15: 1,099.40 m2025-07-20: 1,099.46 m2025-07-25: 1,099.59 m2025-07-30: 1,100.05 m2025-08-04: 1,100.11 m2025-08-09: 1,100.12 m2025-08-14: 1,100.07 m2025-08-19: 1,099.90 m2025-08-24: 1,099.62 m2025-08-29: 1,099.23 m2025-09-03: 1,098.83 m2025-09-08: 1,098.46 m2025-09-13: 1,098.02 m2025-09-18: 1,097.52 m2025-09-23: 1,096.95 m2025-09-28: 1,096.15 m2025-10-03: 1,095.18 m2025-10-08: 1,094.19 m2025-10-13: 1,094.23 m2025-10-18: 1,094.22 m2025-10-23: 1,094.21 m2025-10-28: 1,094.18 m2025-11-02: 1,094.18 m2025-11-07: 1,094.20 m2025-11-12: 1,094.32 m2025-11-17: 1,094.60 m2025-11-22: 1,095.29 m2025-11-27: 1,095.77 m2025-12-02: 1,096.01 m2025-12-07: 1,096.19 m2025-12-12: 1,096.33 m2025-12-17: 1,097.09 m2025-12-22: 1,097.88 m2025-12-27: 1,098.58 m2026-09-22: 1,098.45 m2026-09-27: 1,098.04 m2026-10-02: 1,097.39 m2026-10-07: 1,096.76 m2026-10-12: 1,096.19 m2026-10-17: 1,095.76 m
1,0811,0871,0931,0991,105JanAprJulOct202520262025-01-01: 1,097.31 m2025-01-06: 1,097.29 m2025-01-11: 1,097.29 m2025-01-16: 1,097.29 m2025-01-21: 1,097.27 m2025-01-26: 1,097.24 m2025-01-31: 1,097.21 m2025-02-05: 1,097.19 m2025-02-10: 1,097.16 m2025-02-15: 1,097.14 m2025-02-20: 1,097.11 m2025-02-25: 1,097.11 m2025-03-02: 1,097.13 m2025-03-07: 1,097.16 m2025-03-12: 1,097.17 m2025-03-17: 1,097.18 m2025-03-22: 1,097.18 m2025-03-27: 1,097.18 m2025-04-01: 1,097.29 m2025-04-06: 1,097.56 m2025-04-11: 1,097.76 m2025-04-16: 1,098.02 m2025-04-21: 1,098.56 m2025-04-26: 1,099.05 m2025-05-01: 1,099.36 m2025-05-06: 1,099.66 m2025-05-11: 1,100.20 m2025-05-16: 1,100.96 m2025-05-21: 1,101.58 m2025-05-26: 1,101.78 m2025-05-31: 1,101.79 m2025-06-05: 1,102.11 m2025-06-10: 1,102.10 m2025-06-15: 1,101.99 m2025-06-20: 1,101.75 m2025-06-25: 1,101.81 m2025-06-30: 1,101.43 m2025-07-05: 1,100.67 m2025-07-10: 1,100.01 m2025-07-15: 1,099.40 m2025-07-20: 1,099.46 m2025-07-25: 1,099.59 m2025-07-30: 1,100.05 m2025-08-04: 1,100.11 m2025-08-09: 1,100.12 m2025-08-14: 1,100.07 m2025-08-19: 1,099.90 m2025-08-24: 1,099.62 m2025-08-29: 1,099.23 m2025-09-03: 1,098.83 m2025-09-08: 1,098.46 m2025-09-13: 1,098.02 m2025-09-18: 1,097.52 m2025-09-23: 1,096.95 m2025-09-28: 1,096.15 m2025-10-03: 1,095.18 m2025-10-08: 1,094.19 m2025-10-13: 1,094.23 m2025-10-18: 1,094.22 m2025-10-23: 1,094.21 m2025-10-28: 1,094.18 m2025-11-02: 1,094.18 m2025-11-07: 1,094.20 m2025-11-12: 1,094.32 m2025-11-17: 1,094.60 m2025-11-22: 1,095.29 m2025-11-27: 1,095.77 m2025-12-02: 1,096.01 m2025-12-07: 1,096.19 m2025-12-12: 1,096.33 m2025-12-17: 1,097.09 m2025-12-22: 1,097.88 m2025-12-27: 1,098.58 m2026-09-22: 1,098.45 m2026-09-27: 1,098.04 m2026-10-02: 1,097.39 m2026-10-07: 1,096.76 m2026-10-12: 1,096.19 m2026-10-17: 1,095.76 m
20262025Normal (middle 50% of past years)Usual range (10th–90th percentile)Median

Each year drawn on the same January–December axis, over this gauge's normal range for each date. Hover or tap a point for its value.

Same date in past years

DateLevelvs today
Oct 23, 20251,094.210 m▼ 1.428 m
Oct 23, 20241,096.780 m▲ 1.142 m
Oct 23, 20231,079.770 m▼ 15.868 m
Oct 23, 20221,093.780 m▼ 1.858 m
Oct 23, 20211,085.180 m▼ 10.458 m
Oct 23, 20201,096.530 m▲ 0.892 m
Oct 23, 20191,094.900 m▼ 0.738 m
Oct 23, 20181,090.590 m▼ 5.048 m
Oct 23, 20171,081.830 m▼ 13.808 m
Oct 23, 20161,100.980 m▲ 5.342 m

Records & details

Highest
1,103.710 m on Jun 23, 2014
Lowest
1,064.210 m on Apr 23, 1951
Records from
1951 (76 years of daily data)
Water temperature
Not measured here

Full history: yearly highs and lows, monthly averages →

Nearby lakes

All Alberta lake levels →