Fig. 7(a). Maps of `snowmelt week' of individual years, (a) 1975.

Black areas are always snow-covered, and grey areas are always snow-free in Weeks 8 - 30 of that year.

mapmw75c.png

Fig. 7(b). Maps of `snowmelt week' of individual years, (b) 1987.

Black areas are always snow-covered, and grey areas are always snow-free in Weeks 8 - 30 of that year.

mapmw87c.png

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