Fig. 8

Relationships between winter temperature and precipitation and between winter temperature and snowfall. a–c Relationships between winter temperature and precipitation, d–f relationships between winter temperature and snowfall. a, d Heavy snow-cover years, b, e median snow-cover years, and c, f light snow-cover years. Filled circles represent the five-year means. Here, snowfall represents the water equivalent (mm) of solid precipitation, i.e., snowfall and graupel in NHRCM01