condition	mean	min	max
0 h after light	20.308149999999998	18.6493	21.967
4 h after light	7.250325	5.69052	8.81013
8 h after light	5.799995	5.15697	6.44302
4 h after dark	8.426965	8.41035	8.44358
8 h after dark	13.8112	13.2009	14.4215
12 h after dark	12.718505	9.82051	15.6165