condition	mean	min	max
4 h after light	1565.1	1565.1	1565.1
8 h after light	1330.1	1294.6	1365.6
12 h after light	1442.5	1392.1	1492.9
4 h after dark	1260.05	1074.0	1446.1
8 h after dark	1141.8	1064.0	1219.6
12 h after dark	1111.75	1039.5	1184.0