condition	mean	min	max
4 h after light	7.944915	7.765436	8.124394
8 h after light	8.3686655	7.789068	8.948263
12 h after light	8.329930000000001	8.105364	8.554496
4 h after dark	9.449641499999998	8.775293	10.12399
8 h after dark	8.971326999999999	8.446746	9.495908
12 h after dark	9.122406	9.122406	9.122406