condition	mean	min	max
4 h after light	1490.3	1490.3	1490.3
8 h after light	1414.9	1324.4	1505.4
12 h after light	1299.5	1253.7	1345.3
4 h after dark	1753.0	1225.4	2280.6
8 h after dark	2010.5	1856.1	2164.9
12 h after dark	2060.45	2018.8	2102.1