condition	mean	min	max
4 h after light	7380.8	7380.8	7380.8
8 h after light	7557.450000000001	7098.3	8016.6
12 h after light	9049.3	8570.8	9527.8
4 h after dark	11441.95	9708.5	13175.4
8 h after dark	11724.85	11422.5	12027.2
12 h after dark	11031.4	10887.0	11175.8