condition	mean	min	max
4 h after light	13.77845	11.212	16.3449
8 h after light	8.33221	7.93495	8.72947
12 h after light	12.605599999999999	12.2134	12.9978
4 h after dark	20.624966666666666	16.0459	22.9747
8 h after dark	19.42203333333333	15.4603	22.1438
12 h after dark	21.793433333333333	18.416	24.3009