condition	mean	min	max
0 h after light	19.665300000000002	18.2779	21.0527
4 h after light	12.388349999999999	12.3358	12.4409
8 h after light	14.1128	13.8861	14.3395
4 h after dark	19.5079	19.0082	20.0076
8 h after dark	20.242449999999998	18.977	21.5079
12 h after dark	18.351799999999997	17.8802	18.8234