condition	mean	min	max
0 h after light	14.808399999999999	14.6106	15.0062
4 h after light	7.52958	7.19953	7.85963
8 h after light	6.086270000000001	5.80937	6.36317
4 h after dark	12.6369	11.6207	13.6531
8 h after dark	12.448550000000001	11.3361	13.561
12 h after dark	13.11135	12.7433	13.4794