condition	mean	min	max
4 h after light	56.4	56.4	56.4
8 h after light	73.35	67.4	79.3
12 h after light	11.1	4.5	17.7
4 h after dark	29.2	5.9	52.5
8 h after dark	62.9	47.0	78.8
12 h after dark	42.55	41.1	44.0