condition	mean	min	max
4 h after light	7.738075	7.18129	8.29486
8 h after light	6.301435	6.20368	6.39919
12 h after light	7.57263	7.46063	7.68463
4 h after dark	10.327205	9.30741	11.347
8 h after dark	10.409849999999999	10.3638	10.4559
12 h after dark	10.93915	10.5758	11.3025