condition	mean	min	max
4 h after light	7251.9	7251.9	7251.9
8 h after light	6764.5	5926.1	7602.9
12 h after light	5067.8	4566.6	5569.0
4 h after dark	4087.6	3467.2	4708.0
8 h after dark	4234.15	3308.9	5159.4
12 h after dark	4951.450000000001	4407.6	5495.3