condition	mean	min	max
4 h after light	2.3403099999999997	2.03882	2.6418
8 h after light	1.95411	1.79446	2.11376
12 h after light	2.04093	1.98037	2.10149
4 h after dark	2.674455	2.49255	2.85636
8 h after dark	2.884145	2.83357	2.93472
12 h after dark	2.78698	2.75549	2.81847