condition	mean	min	max
4 h after light	28.02111111	24.32	31.81
8 h after light	14.970555553333334	10.875	20.25333333
12 h after light	7.192222222333333	4.63	10.02
1.5 h after dark	16.11888889	6.263333333	35.18666667
5.5 h after dark	13.97888889	11.58	18.48
9.5 h after dark	26.71555555666667	23.53	28.39