condition	mean	min	max
4 h after light	18.0004	14.4015	21.5993
8 h after light	20.8213	20.0584	21.5842
12 h after light	51.2856	50.9706	51.6006
4 h after dark	60.0801	56.2206	63.9709
8 h after dark	35.82626666666667	33.4442	37.1076
12 h after dark	29.787433333333333	25.0658	34.1356