condition	mean	min	max
4 h after light	3.891985	3.68755	4.09642
8 h after light	4.18502	3.55843	4.81161
12 h after light	6.01474	5.59961	6.42987
4 h after dark	7.010820000000001	6.86277	7.15887
8 h after dark	7.155315	7.03926	7.27137
12 h after dark	5.8537	5.83293	5.87447