condition	mean	min	max
0 h after light	13.650400000000001	11.0386	16.2622
4 h after light	18.81215	15.2172	22.4071
8 h after light	21.14755	19.1683	23.1268
4 h after dark	18.2117	17.8563	18.5671
8 h after dark	16.681150000000002	12.898	20.4643
12 h after dark	12.179400000000001	11.6722	12.6866