condition	mean	min	max
4 h after light	584.6	584.6	584.6
8 h after light	583.7	579.5	587.9
12 h after light	635.5	616.5	654.5
4 h after dark	600.6	577.6	623.6
8 h after dark	535.5	495.5	575.5
12 h after dark	536.55	529.3	543.8