condition	mean	min	max
0 h after light	13.15896	9.14342	17.1745
4 h after light	4.6016900000000005	3.38059	5.82279
8 h after light	5.15374	4.65372	5.65376
4 h after dark	13.498850000000001	12.3475	14.6502
8 h after dark	9.038350000000001	7.9459	10.1308
12 h after dark	12.97685	12.5553	13.3984