condition	mean	min	max
0 h after light	2.08018	2.02729	2.13307
4 h after light	1.785045	1.56384	2.00625
8 h after light	1.920485	1.89296	1.94801
4 h after dark	2.23349	2.15716	2.30982
8 h after dark	2.5971900000000003	2.42401	2.77037
12 h after dark	2.111765	1.65636	2.56717