condition	mean	min	max
0 h after light	13.1371	12.9152	13.359
4 h after light	2.258705	2.03279	2.48462
8 h after light	2.85287	2.28542	3.42032
4 h after dark	4.18593	3.60937	4.76249
8 h after dark	7.7913	7.13552	8.44708
12 h after dark	5.549505	5.43655	5.66246