Severe weather disasters to epidemics in China during low and high solar activities from 1 to 1911 Common Era

Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 1 List of epidemic year counts in the LSA and HSA period

Cycle	Minimums	LSA (CE)	Lyr^a (#)	HSA (CE)	Hyr^a (#)
1	Second-century	107–203	10	204–331	22
2	Fourth-century	332–365	1	366–461	4
3	Fifth-century	462–526	2	527–579	1
4	Medieval	580–820	14	821–979	5
5	Oort	980–1070	5	1071–1279	27
6	Wolf	1280–1350	4	1351–1409	12
7	Sporer	1410–1590	39	1591–1644	11
8	Maunder	1645–1715	31	1716–1794	23
9	Dalton	1795–1825	18
	Total duration (years)	882	124	837	105

^aLyr and Hyr are number of event years in each LSA and HSA periods, respectively