condition	mean	min	max
4 h after light	47.86085	45.7675	49.9542
8 h after light	43.93415	24.831	63.0373
12 h after light	59.4725	58.8735	60.0715
4 h after dark	61.72605	52.2022	71.2499
8 h after dark	57.26325	55.5416	58.9849
12 h after dark	66.80145	54.6806	78.9223