condition	mean	min	max
4 h after light	2202.5	2202.5	2202.5
8 h after light	2276.6	2162.7	2390.5
12 h after light	2491.15	2324.5	2657.8
4 h after dark	2289.5	2183.1	2395.9
8 h after dark	1935.75	1924.6	1946.9
12 h after dark	2167.35	2028.0	2306.7