condition	mean	min	max
4 h after light	4887.6	4887.6	4887.6
8 h after light	5846.1	5606.7	6085.5
12 h after light	6379.4	6362.7	6396.1
4 h after dark	7860.25	6667.4	9053.1
8 h after dark	8031.2	8027.2	8035.2
12 h after dark	6865.05	6220.5	7509.6