condition	mean	min	max
4 h after light	17.326998500000002	16.945404	17.708593
8 h after light	15.085697500000002	11.046055	19.12534
12 h after light	21.415196	16.420101	26.410291
4 h after dark	16.0046185	14.963183	17.046054
8 h after dark	24.810793500000003	18.033211	31.588376
12 h after dark	13.762553	13.762553	13.762553