condition	mean	min	max
4 h after light	16235.949724999999	15334.02441	17137.87504
8 h after light	16078.625230000001	15592.75701	16564.49345
12 h after light	16514.48753	15789.46283	17239.51223
4 h after dark	15731.38879	14357.97947	17104.79811
8 h after dark	14079.653484999999	12722.806	15436.50097
12 h after dark	16832.69428	16832.69428	16832.69428