condition	mean	min	max
4 h after light	172.8	172.8	172.8
8 h after light	211.3	191.5	231.1
12 h after light	193.55	192.2	194.9
4 h after dark	141.65	99.8	183.5
8 h after dark	163.2	162.1	164.3
12 h after dark	146.3	115.9	176.7