condition	mean	min	max
4 h after light	647.9	647.9	647.9
8 h after light	485.70000000000005	456.3	515.1
12 h after light	541.35	486.5	596.2
4 h after dark	457.0	336.6	577.4
8 h after dark	450.75	328.7	572.8
12 h after dark	449.25	437.8	460.7