condition	mean	min	max
1 h after light	19.15114212	17.06975447	21.22487098
3 h after light	19.22994178	16.319548	20.80466889
5 h after light	20.305419606666668	13.34704328	26.10924734
7 h after light	20.55190094	18.99807567	23.55723492
9 h after light	19.384786243333334	18.46056826	20.84499125
11 h after light	19.480724906666666	19.04357193	19.953866
13 h after light	18.65819995	14.18915652	24.08747795
15 h after light	21.538408006666668	19.15194159	23.55121114
1 h after dark	21.503450383333334	19.44989403	23.85221572
3 h after dark	20.39335639	18.58869511	22.22596296
5 h after dark	18.95870449	16.30454553	22.74189279
7 h after dark	20.09612669	18.50904035	23.00424559