condition	mean	min	max
4 h after light	1553.7	1553.7	1553.7
8 h after light	1535.0	1501.2	1568.8
12 h after light	1575.0	1486.0	1664.0
4 h after dark	1762.05	1459.4	2064.7
8 h after dark	2030.4	1980.9	2079.9
12 h after dark	2133.95	2072.9	2195.0