condition	mean	min	max
4 h after light	2204.7	2204.7	2204.7
8 h after light	1985.25	1927.5	2043.0
12 h after light	1721.0500000000002	1553.7	1888.4
4 h after dark	1698.1999999999998	1469.8	1926.6
8 h after dark	1883.95	1496.4	2271.5
12 h after dark	2169.8999999999996	1812.6	2527.2