condition	mean	min	max
4 h after light	9115.215555666668	8695.44	9832.45
8 h after light	11427.688332333333	8503.656667	13809.845
12 h after light	13347.35222	11479.37	15167.28333
1.5 h after dark	14156.487776666667	10444.08	17827.75
5.5 h after dark	14939.267776666666	12055.97	16612.59333
9.5 h after dark	11476.305556666666	10105.19667	13116.72667