condition	mean	min	max
4 h after light	1982.8	1982.8	1982.8
8 h after light	1904.85	1864.1	1945.6
12 h after light	1895.6	1826.0	1965.2
4 h after dark	1960.8500000000001	1743.9	2177.8
8 h after dark	1989.0	1622.4	2355.6
12 h after dark	1628.15	1516.0	1740.3