condition	mean	min	max
4 h after light	4.473643333333333	4.27479	4.71097
8 h after light	4.27832	4.24295	4.32795
12 h after light	4.344593333333333	4.26593	4.4645
4 h after dark	4.392656666666666	4.3794699999999995	4.41598
8 h after dark	4.381530000000001	4.36218	4.39594
12 h after dark	4.410143333333333	4.17905	4.719069999999999