condition	mean	min	max
4 h after light	18.061625	17.077796	19.045454
8 h after light	18.472078	17.120397	19.823759
12 h after light	19.1394265	17.854544	20.424309
4 h after dark	22.0112065	19.322664	24.699749
8 h after dark	21.793212500000003	21.604997	21.981428
12 h after dark	22.643813	22.643813	22.643813