condition	mean	min	max
4 h after light	1420.7	1420.7	1420.7
8 h after light	1227.5	1122.6	1332.4
12 h after light	1167.85	991.9	1343.8
4 h after dark	1770.1	1234.0	2306.2
8 h after dark	2248.4	1929.2	2567.6
12 h after dark	2042.7	1648.0	2437.4