condition	mean	min	max
0 h after light	8.205504999999999	8.10267	8.30834
4 h after light	5.057355	3.97207	6.14264
8 h after light	2.9292	2.13872	3.71968
4 h after dark	5.2224450000000004	4.79747	5.64742
8 h after dark	8.4748	8.23695	8.71265
12 h after dark	8.45	8.3659	8.5341