condition	mean	min	max
4 h after light	10.892476666666667	9.63982	11.96563
8 h after light	9.784849666666666	4.470458	20.28513
12 h after light	13.376909999999999	10.17634	15.809029999999998
16 h after light	9.253479	4.04483	17.23655
4 h after dark	17.95155	15.81615	21.41337
8 h after dark	7.128771333333333	5.122471	9.256872999999999