condition	mean	min	max
4 h after light	7.06185	6.71525	7.40845
8 h after light	4.05915	3.65868	4.45962
12 h after light	21.323349999999998	15.4164	27.2303
4 h after dark	45.510733333333334	44.349	46.2084
8 h after dark	18.059833333333334	17.6688	18.3527
12 h after dark	7.89984	5.65867	9.57521