condition	mean	min	max
0 h after light	6.32996	5.10187	7.55805
4 h after light	6.733924999999999	6.37989	7.08796
8 h after light	27.434399999999997	25.7309	29.1379
4 h after dark	19.9635	17.6067	22.3203
8 h after dark	11.23375	10.1341	12.3334
12 h after dark	5.870185	4.40024	7.34013