condition	mean	min	max
4 h after light	4203.293607	3469.982532	4936.604682
8 h after light	4472.6018485	4119.142253	4826.061444
12 h after light	4582.350032	4521.15561	4643.544454
4 h after dark	3920.112945	3088.939716	4751.286174
8 h after dark	3682.6733885	3277.874661	4087.472116
12 h after dark	4573.41959	4573.41959	4573.41959