condition	mean	min	max
0 h after light	2.401315	2.19908	2.60355
4 h after light	4.368455	3.54256	5.19435
8 h after light	3.2726249999999997	2.37344	4.17181
4 h after dark	5.26266	5.2031	5.32222
8 h after dark	3.46056	3.34718	3.57394
12 h after dark	3.0218	2.05064	3.99296