condition	mean	min	max
4 h after light	151.1	151.1	151.1
8 h after light	173.5	147.7	199.3
12 h after light	218.85	217.6	220.1
4 h after dark	185.05	177.5	192.6
8 h after dark	133.05	125.2	140.9
12 h after dark	180.55	172.4	188.7