condition	mean	min	max
4 h after light	9.586805	8.43981	10.7338
8 h after light	7.770655	7.18769	8.35362
12 h after light	7.65105	7.50868	7.79342
4 h after dark	10.423413333333334	9.45864	11.2776
8 h after dark	11.597773333333334	9.81802	13.7946
12 h after dark	9.33881	8.0897	10.1394