condition	mean	min	max
4 h after light	1421.9	1421.9	1421.9
8 h after light	1319.55	1270.1	1369.0
12 h after light	1364.0	1120.4	1607.6
4 h after dark	1792.8	1363.5	2222.1
8 h after dark	1969.75	1775.5	2164.0
12 h after dark	1838.6	1746.3	1930.9