condition	mean	min	max
4 h after light	16389.9	16389.9	16389.9
8 h after light	16798.85	16613.6	16984.1
12 h after light	16833.25	15648.6	18017.9
4 h after dark	17562.2	16294.6	18829.8
8 h after dark	17086.05	14274.1	19898.0
12 h after dark	17141.800000000003	16820.7	17462.9