condition	mean	min	max
4 h after light	1874.9	1874.9	1874.9
8 h after light	1755.4	1750.8	1760.0
12 h after light	1740.65	1739.4	1741.9
4 h after dark	2283.5	1887.4	2679.6
8 h after dark	2597.55	2447.8	2747.3
12 h after dark	2794.2	2678.4	2910.0