condition	mean	min	max
0 h after light	19.393250000000002	18.922	19.8645
4 h after light	18.762999999999998	16.8339	20.6921
8 h after light	19.3988	18.2042	20.5934
4 h after dark	24.367649999999998	21.9301	26.8052
8 h after dark	24.5306	23.825	25.2362
12 h after dark	20.0225	19.4235	20.6215