condition	mean	min	max
4 h after light	1494.2	1494.2	1494.2
8 h after light	1759.6	1730.2	1789.0
12 h after light	1801.35	1747.1	1855.6
4 h after dark	2114.05	1780.6	2447.5
8 h after dark	2109.55	2062.3	2156.8
12 h after dark	2207.0	2145.5	2268.5