condition	mean	min	max
4 h after light	52.75295	50.267	55.2389
8 h after light	26.16375	25.2405	27.087
12 h after light	21.9649	19.0793	24.8505
4 h after dark	57.219366666666666	56.2836	58.2175
8 h after dark	57.838166666666666	56.6378	59.1368
12 h after dark	76.1382	75.2694	77.2328