condition	mean	min	max
0 h after light	13.6201	12.8281	14.4121
4 h after light	8.544225	7.59707	9.49138
8 h after light	8.016915	7.00303	9.0308
4 h after dark	18.32765	17.5881	19.0672
8 h after dark	17.4911	14.9976	19.9846
12 h after dark	15.040099999999999	13.7609	16.3193