condition	mean	min	max
4 h after light	15.35715	12.409	18.3053
8 h after light	19.1685	18.0477	20.2893
12 h after light	18.04015	16.1001	19.9802
4 h after dark	24.230133333333335	20.6337	29.1258
8 h after dark	21.284299999999998	19.9182	23.3771
12 h after dark	17.000166666666665	12.6198	20.4902