condition	mean	min	max
4 h after light	2737.8	2737.8	2737.8
8 h after light	2632.85	2559.0	2706.7
12 h after light	2401.5	2364.7	2438.3
4 h after dark	3040.65	2568.4	3512.9
8 h after dark	3492.0	3484.1	3499.9
12 h after dark	3104.0	3019.0	3189.0