condition	mean	min	max
4 h after light	15.4645865	14.577886	16.351287
8 h after light	15.735486000000002	14.515109	16.955863
12 h after light	15.2242905	14.894057	15.554524
4 h after dark	13.679420499999999	12.816529	14.542312
8 h after dark	14.465705	14.389098	14.542312
12 h after dark	14.542312	14.542312	14.542312