condition	mean	min	max
0 h after light	16.882199999999997	15.2092	18.5552
4 h after light	25.5704	25.0101	26.1307
8 h after light	18.34675	17.4748	19.2187
4 h after dark	22.832250000000002	17.0079	28.6566
8 h after dark	27.1839	26.2507	28.1171
12 h after dark	12.9183	11.2729	14.5637