condition	mean	min	max
4 h after light	1842.6	1842.6	1842.6
8 h after light	1939.9499999999998	1936.1	1943.8
12 h after light	1691.5	1651.0	1732.0
4 h after dark	1970.05	1721.9	2218.2
8 h after dark	2224.8	2134.3	2315.3
12 h after dark	2230.5	2069.2	2391.8