condition	mean	min	max
4 h after light	17.18155	13.5039	20.8592
8 h after light	11.38335	10.8975	11.8692
12 h after light	15.27315	13.1467	17.3996
4 h after dark	19.02145	17.9946	20.0483
8 h after dark	19.3955	18.1641	20.6269
12 h after dark	24.5905	24.5146	24.6664