condition	mean	min	max
0 h after light	20.1042	18.9457	21.2627
4 h after light	7.5580750000000005	7.22929	7.88686
8 h after light	23.81285	23.3394	24.2863
4 h after dark	13.12325	11.3131	14.9334
8 h after dark	14.6266	14.5836	14.6696
12 h after dark	13.515640000000001	9.13698	17.8943