condition	mean	min	max
4 h after light	3.825515	3.31437	4.33666
8 h after light	2.5444250000000004	2.34297	2.74588
12 h after light	3.0739099999999997	2.75004	3.39778
4 h after dark	5.53404	4.40375	7.45114
8 h after dark	5.59435	4.77567	6.75635
12 h after dark	5.600763333333333	4.18527	7.39062