condition mean min max 4 h after light 15.561456666666666 13.156360000000001 17.48413 8 h after light 8.874328333333334 6.282997 12.72905 12 h after light 13.83335 11.92822 16.58829 16 h after light 8.245106 4.664896 12.00275 4 h after dark 26.283906666666667 24.60866 27.87442 8 h after dark 19.212373333333332 12.4494 25.46443