condition	mean	min	max
4 h after light	2451.8	2451.8	2451.8
8 h after light	2830.55	2336.3	3324.8
12 h after light	3206.75	2925.5	3488.0
4 h after dark	3085.95	3074.9	3097.0
8 h after dark	4150.65	3265.1	5036.2
12 h after dark	4268.7	4018.5	4518.9