condition	mean	min	max
4 h after light	2077.3	2077.3	2077.3
8 h after light	1753.75	1616.6	1890.9
12 h after light	1468.45	1442.5	1494.4
4 h after dark	1445.1	1290.5	1599.7
8 h after dark	1491.1	1357.1	1625.1
12 h after dark	1738.0	1508.1	1967.9