condition	mean	min	max
4 h after light	65.44855	63.3672	67.5299
8 h after light	60.1997	58.5236	61.8758
12 h after light	72.27615	70.3008	74.2515
4 h after dark	73.10935	71.9163	74.3024
8 h after dark	68.7807	66.5793	70.9821
12 h after dark	69.08875	68.7734	69.4041