condition	mean	min	max
4 h after light	34.216636	24.974845	43.458427
8 h after light	26.0587845	23.04882	29.068749
12 h after light	21.078707	19.320532	22.836882
4 h after dark	18.8845805	18.456067	19.313094
8 h after dark	15.0658445	13.853255	16.278434
12 h after dark	23.59334	23.59334	23.59334