condition	mean	min	max
4 h after light	1948.0	1948.0	1948.0
8 h after light	2346.05	2334.5	2357.6
12 h after light	2723.25	2405.6	3040.9
4 h after dark	3255.45	3001.4	3509.5
8 h after dark	3930.05	3702.4	4157.7
12 h after dark	3036.25	2516.4	3556.1