condition	mean	min	max
4 h after light	11729.244446666666	11241.87667	12097.39
8 h after light	13142.059444333334	9451.723333	15640.495
12 h after light	17292.493333333332	13640.53333	19984.25
1.5 h after dark	17526.21111333333	15226.72	19739.13667
5.5 h after dark	15925.886666666667	13709.46333	17210.24
9.5 h after dark	13332.19	11382.88333	16702.6