condition	mean	min	max
0 h after light	16.2235	15.4306	17.0164
4 h after light	14.51215	14.4547	14.5696
8 h after light	16.0509	15.3274	16.7744
4 h after dark	18.8433	18.7296	18.957
8 h after dark	18.3067	18.2297	18.3837
12 h after dark	16.13795	15.5301	16.7458