condition	mean	min	max
4 h after light	15.571371500000001	14.515109	16.627634
8 h after light	14.156856000000001	13.798603	14.515109
12 h after light	13.1967435	12.980755	13.412732
4 h after dark	16.8771055	15.645781	18.10843
8 h after dark	15.329997500000001	14.515109	16.144886
12 h after dark	19.87761	19.87761	19.87761