condition mean min max 3 h after light 2.29296 1.48463 2.98019 6 h after light 1.93825 0.73558 3.64757 9 h after light 2.0177966666666665 1.21442 2.42123 12 h after light 2.6874717500000003 0.866167 6.74819 3 h after dark 1.9798066666666667 1.67385 2.5109 6 h after dark 3.3159666666666667 1.99595 4.33831 9 h after dark 5.1229 2.52454 8.13032 12 h after dark 8.60164 5.80188 11.4014