Jämsänkosken ylävesi water level

What this means

Jämsänkosken ylävesi is below normal for mid-October, with the water level at 79.86 m.

That puts it 0.24 m below the median of 80.10 m for mid-October, based on 11 years of readings. A year ago it stood at 80.15 m (−0.29 m).

It has dropped 0.17 m over the past week. With the water still dropping, the shoreline keeps moving out. In the last month it has stayed between 79.86 m and 80.19 m.

Many reservoirs reach their low point of the year in autumn, before winter rain and snow start the refill.

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

Key numbers

Median for this date

80.10 m0.24 m below the median for this date

Normal for this date

79.86 m – 80.18 m8 years in 10 fall in this range (11 years of records)

Same day last year

80.15 m−0.29 m

Lowest and highest in 30 days

79.86 m – 80.19 m

Lowest and highest in 12 months

79.81 m – 80.22 m