condition	mean	min	max
4 h after light	2971.5	2971.5	2971.5
8 h after light	2888.65	2778.5	2998.8
12 h after light	2458.25	2438.6	2477.9
4 h after dark	2642.75	2327.8	2957.7
8 h after dark	3194.25	3177.2	3211.3
12 h after dark	3025.15	2905.8	3144.5