condition	mean	min	max
4 h after light	2013.177222	1823.305	2195.943333
8 h after light	1923.935	1728.375	2073.24
12 h after light	1664.5677776666666	1359.563333	1912.81
1.5 h after dark	1733.788889	1521.326667	1840.97
5.5 h after dark	2030.5233333333333	1759.543333	2286.7
9.5 h after dark	2073.1455553333335	1859.26	2343.343333