condition	mean	min	max
4 h after light	49.41222222333334	46.45	52.45
8 h after light	51.80611111	43.57	65.715
12 h after light	41.24222222	28.86	52.06333333
1.5 h after dark	44.03888889	22.12666667	55.05666667
5.5 h after dark	56.104444443333335	42.89333333	67.98666667
9.5 h after dark	58.31999999999999	33.62	72.88