condition	mean	min	max
4 h after light	4.79564	0.0	7.26467
8 h after light	6.005303333333334	4.38195	8.3236
12 h after light	6.9169	5.64595	9.37879
4 h after dark	8.61621	7.60866	9.23477
8 h after dark	7.50041	6.69348	8.30679
12 h after dark	6.723796666666667	5.81659	7.84489