condition mean min max 3 h after light 1.6561033333333335 1.28044 2.13756 6 h after light 2.097453333333333 1.79866 2.38972 9 h after light 4.6749 2.9625 6.19982 12 h after light 7.1628 4.75321 13.6759 3 h after dark 7.82956 6.60318 8.46927 6 h after dark 4.042706666666667 3.35423 4.69802 9 h after dark 3.22852 2.34331 3.80474 12 h after dark 5.624255 4.3596 6.88891