condition	mean	min	max
4 h after light	20.576376500000002	20.439063	20.71369
8 h after light	22.6828905	22.441782	22.923999
12 h after light	19.241174	17.311257	21.171091
4 h after dark	17.418514	17.393053	17.443975
8 h after dark	21.750922	20.733417	22.768427
12 h after dark	20.439063	20.439063	20.439063