condition	mean	min	max
4 h after light	16902.651113333333	14972.51	19212.00667
8 h after light	17585.24278	11253.145	21730.35667
12 h after light	12200.964443333334	7930.17	15616.45
1.5 h after dark	9108.11	7003.45	12168.19
5.5 h after dark	10707.313332333333	9701.766667	11522.17333
9.5 h after dark	14896.196666666667	12512.12333	16172.52667