condition	mean	min	max
4 h after light	8.834489999999999	8.19798	9.471
8 h after light	13.40565	12.1894	14.6219
12 h after light	16.1052	13.0578	19.1526
4 h after dark	25.294033333333335	22.7996	26.641
8 h after dark	23.233800000000002	21.597	25.6371
12 h after dark	12.281320000000001	7.35076	15.8532