condition	mean	min	max
4 h after light	4.17189	4.0827	4.27994
8 h after light	4.20717	3.99821	4.31492
12 h after light	4.251136666666667	4.12818	4.46457
4 h after dark	4.168443333333333	4.0735	4.34063
8 h after dark	4.09026	4.0219	4.12533
12 h after dark	4.072386666666667	3.99946	4.148280000000001