condition	mean	min	max
4 h after light	23027.66055666667	20147.49	24491.21667
8 h after light	13616.872223333334	10902.18	15219.43
12 h after light	6912.181111	4771.436667	9524.713333
1.5 h after dark	4077.63	3699.65	4719.546667
5.5 h after dark	6306.254444333334	6134.346667	6649.203333
9.5 h after dark	15326.955553333333	12742.99333	18638.35333