condition	mean	min	max
0 h after light	6.792820000000001	6.53143	7.05421
4 h after light	6.97514	6.49139	7.45889
8 h after light	5.2326999999999995	5.15709	5.30831
4 h after dark	6.742785	6.31929	7.16628
8 h after dark	6.748275	6.66638	6.83017
12 h after dark	7.453505	7.04473	7.86228