condition	mean	min	max
4 h after light	3.074625	2.0005	4.14875
8 h after light	1.93362	1.91624	1.951
12 h after light	2.213355	2.14684	2.27987
4 h after dark	4.5	3.9535	5.33434
8 h after dark	4.526	3.95074	5.06621
12 h after dark	3.5356366666666665	3.35034	3.75363