condition	mean	min	max
4 h after light	1887.5	1887.5	1887.5
8 h after light	1922.0	1710.6	2133.4
12 h after light	1769.85	1718.7	1821.0
4 h after dark	1684.9499999999998	1390.8	1979.1
8 h after dark	1999.3	1918.5	2080.1
12 h after dark	1914.5	1844.8	1984.2