Lake Diefenbaker at Gardiner Dam water level

What this means

The water level at Lake Diefenbaker at Gardiner Dam reads 555.48 m, about where it usually sits at this time of year.

The median for mid-October is 555.36 m, based on 11 years of readings, so the water level is 0.12 m above typical. On the same day last year the reading was 555.09 m, a difference of +0.38 m.

It is still going down, by 0.03 m over the past 24 hours. The 30-day range is 555.43 m – 555.59 m.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

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

Key numbers

Median for this date

555.36 m0.12 m above the median for this date

Normal for this date

552.66 m – 556.04 m8 years in 10 fall in this range (11 years of records)

Same day last year

555.09 m+0.38 m

Lowest and highest in 30 days

555.43 m – 555.59 m

Lowest and highest in 12 months

553.92 m – 555.55 m