condition	mean	min	max
4 h after light	8.636746666666667	8.45551	8.7457
8 h after light	9.68939	9.53315	9.85096
12 h after light	8.70679	8.608419999999999	8.7654
4 h after dark	9.70069	9.56374	9.7731
8 h after dark	9.351126666666666	9.240039999999999	9.50537
12 h after dark	8.08061	7.91147	8.38698