St. Mary Reservoir near Spring Coulee water level

What this means

At 1,095.72 m, St. Mary Reservoir near Spring Coulee is holding more water than usual for mid-October.

The median for mid-October is 1,094.20 m, based on 11 years of readings, so the water level is 1.52 m above typical. On the same day last year the reading was 1,094.23 m, a difference of +1.49 m.

It is still going down, by 0.02 m over the past 24 hours. The 30-day range is 1,095.72 m – 1,098.70 m.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

1,094.20 m1.52 m above the median for this date

Normal for this date

1,080.23 m – 1,096.67 m8 years in 10 fall in this range (11 years of records)

Same day last year

1,094.23 m+1.49 m

Lowest and highest in 30 days

1,095.72 m – 1,098.70 m

Lowest and highest in 12 months

1,094.16 m – 1,098.98 m