Ischgl vs Lech Zürs: which has more reliable snow?

The short answer

Very little separates them: both have been snow-sure at mid-mountain in 5 months of the year over the last 30 winters.

Month by month

November: Ischgl 8 of 30, Lech Zürs 9 of 30 snow-sure winters (60% and 62% of days).

December: Ischgl 27 of 30, Lech Zürs 28 of 30 snow-sure winters (95% and 98% of days).

January: Ischgl 30 of 30, Lech Zürs 30 of 30 snow-sure winters (100% and 100% of days).

February: Ischgl 30 of 30, Lech Zürs 30 of 30 snow-sure winters (100% and 100% of days).

March: Ischgl 30 of 30, Lech Zürs 30 of 30 snow-sure winters (100% and 100% of days).

April: Ischgl 26 of 30, Lech Zürs 26 of 30 snow-sure winters (96% and 96% of days).

May: Ischgl 5 of 30, Lech Zürs 5 of 30 snow-sure winters (50% and 55% of days).

A snow-sure winter is one where mid-mountain had 30 cm or more of modelled natural snow on at least 90% of that month’s days.

Height and terrain

Ischgl and Lech Zürs are 25 km apart as the crow flies. Ischgl first, then Lech Zürs: Village 1,377 m against 1,450 m; Mid-mountain 2,124 m against 1,950 m; Summit 2,872 m against 2,450 m. Mapped downhill runs: Ischgl 163 km, Lech Zürs 120 km (OpenStreetMap).

In February, the village had 30 cm or more of natural snow on 79% of days at Ischgl and 98% at Lech Zürs.

Questions

Which has more reliable snow, Ischgl or Lech Zürs?

Very little separates them: both have been snow-sure at mid-mountain in 5 months of the year over the last 30 winters.

Which has better snow down to the village, Ischgl or Lech Zürs?

In February, Lech Zürs: its village had 30 cm or more of modelled natural snow on 98% of days, against 79%.

Does this include snowmaking?

No. These are modelled natural snow figures only, from ERA5 weather. Groomed pistes with snowmaking often ski better than this.