Historical regional climate changes in Japan in winter as assessed by a 5-km regional climate model with a land surface process

Progress in Earth and Planetary Science

Table 3 Climatology of snow-covered days at each elevation. Round blanks show ratios of 1991–2020 relative to 1961–1990

Elevation(m)	NJ–JS		NJ–PO		EJ–JS		WJ–JS
Elevation(m)	1961–1990	1991–2020	1961–1990	1991–2020	1961–1990	1991–2020	1961–1990	1991–2020
0–250	139.4	133.3 (0.96)	113.2	107.5 (0.95)	71.7	58.6 (0.82)	20.9	14.2 (0.68)
250–500	158.9	154.5 (0.97)	134.5	130.6 (0.97)	108.4	98.3 (0.91)	51.7	41.4 (0.80)
500–1000	178.7	174.9 (0.98)	164.9	161.7 (0.98)	134.3	128.3 (0.96)	76.8	66.0 (0.86)
1000–1500	202.5	198.8 (0.98)	220.2	218.5 (0.99)	179.6	176.5 (0.98)	102.2	85.8 (0.84)
1500–			350.2	349.7 (1.00)	219.0	216.9 (0.99)