condition	mean	min	max
4 h after light	2171.4	2171.4	2171.4
8 h after light	2086.5	2020.8	2152.2
12 h after light	1949.95	1888.0	2011.9
4 h after dark	2123.75	1801.6	2445.9
8 h after dark	1824.85	1819.4	1830.3
12 h after dark	1810.1	1592.6	2027.6