condition	mean	min	max
4 h after light	15.273260500000001	14.235644	16.310877
8 h after light	16.312598	14.859336	17.76586
12 h after light	20.891356000000002	20.680721	21.101991
4 h after dark	28.8599805	21.624563	36.095398
8 h after dark	29.305767	18.24884	40.362694
12 h after dark	13.534054	13.534054	13.534054