condition	mean	min	max
4 h after light	5.925403333333334	5.84155	5.98615
8 h after light	5.844823333333333	5.8302	5.86517
12 h after light	6.28676	6.0212	6.5163400000000005
4 h after dark	6.4930433333333335	6.38998	6.61908
8 h after dark	6.68123	6.48434	7.012910000000001
12 h after dark	6.566063333333333	6.51322	6.661980000000001