condition	mean	min	max
4 h after light	1175.1	1175.1	1175.1
8 h after light	1000.35	893.0	1107.7
12 h after light	764.65	741.3	788.0
4 h after dark	528.3	490.4	566.2
8 h after dark	805.3	455.8	1154.8
12 h after dark	909.7	606.5	1212.9