condition mean min max 0 h after light 6.29936 5.86403 6.73469 2 h after light 7.056355 6.67154 7.44117 4 h after light 6.66306 6.23916 7.08696 8 h after light 4.593745 4.50039 4.6871 12 h after light 6.73742 6.4656 7.00924 2 h after dark 10.03336 8.64692 11.4198 4 h after dark 6.73631 6.61895 6.85367 8 h after dark 8.677365 7.68637 9.66836 12 h after dark 7.276959999999999 6.20208 8.35184