condition	mean	min	max
4 h after light	1841.7	1841.7	1841.7
8 h after light	1845.3000000000002	1770.9	1919.7
12 h after light	1692.3	1534.8	1849.8
4 h after dark	1879.6	1870.5	1888.7
8 h after dark	2046.75	2037.0	2056.5
12 h after dark	2103.1	2020.3	2185.9