condition mean min max 4 h after light 5.3910599999999995 4.47751 6.30461 8 h after light 5.224225000000001 5.07141 5.37704 12 h after light 6.614935 6.29176 6.93811 4 h after dark 8.275253333333334 7.51771 9.2244 8 h after dark 6.3791633333333335 5.11725 7.69827 12 h after dark 7.763083333333333 6.76898 8.71399