condition	mean	min	max
4 h after light	2188.2	2188.2	2188.2
8 h after light	2014.5	1729.4	2299.6
12 h after light	1764.35	1509.8	2018.9
4 h after dark	1545.75	1445.7	1645.8
8 h after dark	1327.0	1132.7	1521.3
12 h after dark	1806.65	1396.9	2216.4