condition	mean	min	max
4 h after light	1667.4	1667.4	1667.4
8 h after light	1765.5	1133.5	2397.5
12 h after light	2917.3	1908.0	3926.6
4 h after dark	2011.8	1133.1	2890.5
8 h after dark	837.3	683.5	991.1
12 h after dark	652.7	641.4	664.0