condition mean min max 3 h after light 12.546533333333333 10.7275 15.7641 6 h after light 12.68415 8.76525 16.0392 9 h after light 12.725706666666666 7.38952 18.8345 12 h after light 15.923725000000001 11.5116 22.7549 3 h after dark 20.9254 19.5214 23.2358 6 h after dark 13.403533333333334 12.157 14.3905 9 h after dark 10.967463333333333 6.72059 14.8801 12 h after dark 14.05415 10.1917 17.9166