condition	mean	min	max
4 h after light	1.574315	1.07402	2.07461
8 h after light	1.275325	1.12558	1.42507
12 h after light	1.53687	1.06552	2.00822
4 h after dark	1.9183565	0.989253	2.84746
8 h after dark	1.84923	1.74375	1.95471
12 h after dark	1.704415	1.27011	2.13872