condition	mean	min	max
4 h after light	3511.2	3511.2	3511.2
8 h after light	3155.1	2696.2	3614.0
12 h after light	3069.75	2637.5	3502.0
4 h after dark	2811.35	1935.3	3687.4
8 h after dark	2107.15	2029.5	2184.8
12 h after dark	2580.45	2055.2	3105.7