3,981
3 Jan 2020
3,418
8 Feb 2016
Highest in past
four winters
4,000
3,500
3,000
2,500
December
January
February
4,000
3,981
3 January 2020
3,418
8 February 2016
Highest in past four winters
3,500
3,000
2,500
December
January
February