condition	mean	min	max
0 h after light	17.987099999999998	17.9469	18.0273
4 h after light	21.99835	21.7614	22.2353
8 h after light	22.793950000000002	22.7937	22.7942
4 h after dark	21.39265	20.5819	22.2034
8 h after dark	20.07465	18.5518	21.5975
12 h after dark	17.96725	17.0461	18.8884