condition	mean	min	max
0 h after light	3.056295	2.96258	3.15001
4 h after light	3.2935499999999998	3.11075	3.47635
8 h after light	3.311425	3.26962	3.35323
4 h after dark	3.673435	3.52937	3.8175
8 h after dark	4.23659	4.18179	4.29139
12 h after dark	2.91894	2.75566	3.08222