condition	mean	min	max
0 h after light	11.574300000000001	11.1405	12.0081
4 h after light	15.74955	14.7973	16.7018
8 h after light	17.11705	17.0127	17.2214
4 h after dark	17.9032	17.776	18.0304
8 h after dark	17.2875	17.0035	17.5715
12 h after dark	14.078800000000001	12.7568	15.4008