condition	mean	min	max
4 h after light	1899.0522223333332	1784.426667	2000.07
8 h after light	2370.505	1932.586667	2709.605
12 h after light	2782.58	2560.91	3191.766667
1.5 h after dark	2725.358889	2254.05	3354.116667
5.5 h after dark	2330.808888666667	1901.543333	2738.753333
9.5 h after dark	1982.428889	1665.95	2157.356667