condition	mean	min	max
0 h after light	13.8955	13.289	14.502
4 h after light	12.4108	10.0801	14.7415
8 h after light	17.93485	17.8519	18.0178
4 h after dark	20.19005	19.8737	20.5064
8 h after dark	14.620550000000001	14.6148	14.6263
12 h after dark	12.96535	10.6654	15.2653