condition	mean	min	max
4 h after light	3.722445	3.61569	3.8292
8 h after light	4.4718	4.45347	4.49013
12 h after light	4.8219899999999996	4.7261	4.91788
4 h after dark	5.2977799999999995	5.0937	5.50186
8 h after dark	5.87632	5.87254	5.8801
12 h after dark	5.91184	5.70972	6.11396