It is a four times larger decrease compared to a normal year.
Nigardsbreen has tens of thousands of visitors every year and is perhaps Norway's most famous glacier. The glacier has retreated over 400 meters in the last ten years. Last summer, it retreated another 42 meters.
Previously, it was possible to see the glacier up close from a parking lot, but now it has retreated so much that a new photo point is needed.
The melting is shocking researchers at Norway's water and energy authority (NVE) who say they have never previously measured such figures.
This year's figures were quite special, a bit shocking for me as a glacier researcher to see so much melting in a year, says NVE's glacier researcher Liss Marie Andreassen to NRK.
Of the 35 glaciers included in the measurement of glacier fronts, all except one have retreated.
The glaciers are melting due to climate changes. They are very sensitive to climate changes and adjust their size by increasing or decreasing when the climate changes, says Andreassen.