condition	mean	min	max
0 h after light	16.00945	15.8914	16.1275
4 h after light	11.65035	11.1796	12.1211
8 h after light	5.830095	5.38255	6.27764
4 h after dark	9.499880000000001	7.65996	11.3398
8 h after dark	13.40295	12.8891	13.9168
12 h after dark	15.33635	14.9177	15.755