[1] The average rate of flow in Jølstra is given as 43.9 cubic metres per second (1,550 cu ft/s), measured at Høgset over the period from 1993 to 2011.
The highest recorded flow rate during this period was 256 cubic metres per second (9,000 cu ft/s), while the lowest recorded flow rate was 1.2 cubic metres per second (42 cu ft/s).
Although the salmon species have been protected by law since 1992, the authorities open the river for fishing for a brief period every year.
The fishing window usually begins in mid-July of each year and lasts until the end of August.
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