condition	mean	min	max
0 h after light	4.423080000000001	4.00169	4.84447
4 h after light	4.095795	3.64513	4.54646
8 h after light	4.244605	4.12018	4.36903
4 h after dark	4.41171	4.35768	4.46574
8 h after dark	4.667865	4.01785	5.31788
12 h after dark	3.63255	3.44565	3.81945