condition	mean	min	max
4 h after light	67.3810845	65.755008	69.007161
8 h after light	62.515488500000004	61.475766	63.555211
12 h after light	56.307463	51.269944	61.344982
4 h after dark	49.1852095	35.807508	62.562911
8 h after dark	70.991863	44.506882	97.476844
12 h after dark	60.719445	60.719445	60.719445