condition	mean	min	max
4 h after light	991.8295	986.825	996.834
8 h after light	1875.4	1810.94	1939.86
12 h after light	1683.13	1613.36	1752.9
4 h after dark	779.3763333333334	762.495	806.236
8 h after dark	473.96	466.082	481.995
12 h after dark	542.0326666666666	518.924	577.09