condition	mean	min	max
4 h after light	2078.7	2078.7	2078.7
8 h after light	2500.85	1899.7	3102.0
12 h after light	2654.8	2340.6	2969.0
4 h after dark	2124.15	2011.8	2236.5
8 h after dark	1870.4	1671.4	2069.4
12 h after dark	1625.9	1423.6	1828.2