condition	mean	min	max
4 h after light	3925.455	3545.34	4305.57
8 h after light	3011.31	2883.93	3138.69
12 h after light	2548.0600000000004	2490.57	2605.55
4 h after dark	3273.8166666666666	3113.65	3388.57
8 h after dark	3633.37	3528.68	3784.39
12 h after dark	4414.04	4316.37	4547.52