condition	mean	min	max
4 h after light	3943.8	3943.8	3943.8
8 h after light	3609.65	2943.0	4276.3
12 h after light	2384.5	1763.2	3005.8
4 h after dark	2117.7	1965.5	2269.9
8 h after dark	2292.9	2108.0	2477.8
12 h after dark	2609.25	2564.6	2653.9