condition	mean	min	max
4 h after light	197.6	197.6	197.6
8 h after light	192.35	191.1	193.6
12 h after light	199.9	178.0	221.8
4 h after dark	172.0	160.7	183.3
8 h after dark	154.5	152.1	156.9
12 h after dark	158.6	151.0	166.2