condition	mean	min	max
4 h after light	1834.3	1834.3	1834.3
8 h after light	1954.0500000000002	1851.7	2056.4
12 h after light	1854.05	1830.3	1877.8
4 h after dark	1877.8	1741.6	2014.0
8 h after dark	1940.25	1806.9	2073.6
12 h after dark	1960.85	1938.7	1983.0