condition	mean	min	max
0 h after light	7.26732	6.38122	8.15342
4 h after light	4.7035149999999994	4.32694	5.08009
8 h after light	4.71342	4.5533	4.87354
4 h after dark	6.28409	5.36627	7.20191
8 h after dark	6.342245	6.24563	6.43886
12 h after dark	6.736375000000001	6.53094	6.94181