condition	mean	min	max
4 h after light	13.0992775	12.685265	13.51329
8 h after light	13.670575	12.685265	14.655885
12 h after light	15.319401000000001	10.140135	20.498667
4 h after dark	10.739319	9.368883	12.109755
8 h after dark	13.360228	12.482937	14.237519
12 h after dark	12.685265	12.685265	12.685265