condition	mean	min	max
4 h after light	3098.3	3098.3	3098.3
8 h after light	2715.95	2142.1	3289.8
12 h after light	2691.5	2544.1	2838.9
4 h after dark	1969.25	1524.3	2414.2
8 h after dark	1461.1	1430.9	1491.3
12 h after dark	1503.8	1270.0	1737.6