condition	mean	min	max
4 h after light	17.6496	15.9904	19.3088
8 h after light	29.3781	27.3857	31.3705
12 h after light	30.53105	28.2727	32.7894
4 h after dark	37.520199999999996	34.6322	39.2454
8 h after dark	35.68503333333334	28.2749	42.2824
12 h after dark	20.2023	19.7418	20.7578