condition	mean	min	max
4 h after light	2288.7	2288.7	2288.7
8 h after light	2190.3	2126.0	2254.6
12 h after light	1633.8	1422.0	1845.6
4 h after dark	1444.6	1354.5	1534.7
8 h after dark	1443.1	1260.1	1626.1
12 h after dark	1667.65	1663.9	1671.4