condition	mean	min	max
0 h after light	8.24362	7.73571	8.75153
4 h after light	6.466184999999999	5.41398	7.51839
8 h after light	9.47476	9.16761	9.78191
4 h after dark	14.52	13.3666	15.6734
8 h after dark	12.13005	11.0778	13.1823
12 h after dark	8.469484999999999	8.0543	8.88467