condition	mean	min	max
4 h after light	493.6	493.6	493.6
8 h after light	450.0	437.9	462.1
12 h after light	498.4	488.8	508.0
4 h after dark	507.84999999999997	435.4	580.3
8 h after dark	499.6	483.6	515.6
12 h after dark	473.55	473.3	473.8