condition	mean	min	max
4 h after light	1211.4	1211.4	1211.4
8 h after light	1235.4	1162.8	1308.0
12 h after light	1322.05	1258.3	1385.8
4 h after dark	1658.65	1278.0	2039.3
8 h after dark	1865.85	1816.2	1915.5
12 h after dark	1622.9	1548.8	1697.0