condition mean min max 1 h after light 8.382192304666667 6.683395929 9.354531902 3 h after light 7.064468979000001 6.42329941 8.272983400000001 5 h after light 7.92057943 6.490326927000001 9.223923288 7 h after light 8.812470792000001 6.832660635 11.3068132 9 h after light 7.5568186556666666 5.36604571 8.858594835 11 h after light 5.972375128 5.135256897 6.587399096 13 h after light 7.043588695 4.86747764 8.20722535 15 h after light 5.172146122 4.27918041 6.09191328 1 h after dark 6.910669167 5.84793706 7.9407601539999995 3 h after dark 8.133373956 6.683802321 9.493309121 5 h after dark 9.329345157 8.665591119 10.35819223 7 h after dark 9.123838504666667 7.899369716 10.74270478