condition	mean	min	max
4 h after light	8.304770000000001	7.20458	9.40496
8 h after light	3.93016	3.75427	4.10605
12 h after light	3.1154650000000004	2.59039	3.64054
4 h after dark	4.103655	3.65556	4.55175
8 h after dark	5.757455	5.4639	6.05101
12 h after dark	6.069315	5.80125	6.33738