condition	mean	min	max
0 h after light	13.04415	12.1082	13.9801
4 h after light	13.109	12.9647	13.2533
8 h after light	16.199	14.9368	17.4612
4 h after dark	21.206000000000003	20.7603	21.6517
8 h after dark	18.5167	17.5288	19.5046
12 h after dark	12.13394	9.63258	14.6353