condition	mean	min	max
4 h after light	11.389050000000001	11.2725	11.5056
8 h after light	8.362975	8.25295	8.473
12 h after light	16.0287	15.1808	16.8766
4 h after dark	21.956	21.5044	22.4076
8 h after dark	21.62995	21.3126	21.9473
12 h after dark	17.581899999999997	17.2355	17.9283