condition	mean	min	max
0 h after light	14.3626	13.9196	14.8056
4 h after light	5.575165	4.53875	6.61158
8 h after light	2.464255	2.2772	2.65131
4 h after dark	13.127345000000002	6.06789	20.1868
8 h after dark	20.72035	19.07	22.3707
12 h after dark	19.23225	19.115	19.3495