condition	mean	min	max
4 h after light	1919.4340554999999	1553.393185	2285.474926
8 h after light	1709.801367	1570.877332	1848.725402
12 h after light	1653.1739545	1604.476358	1701.871551
4 h after dark	1233.0546115	1115.291164	1350.818059
8 h after dark	1094.6254865	1037.001288	1152.249685
12 h after dark	986.409725	986.409725	986.409725