condition mean min max 4 h after light 3.6601049999999997 2.95234 4.36787 8 h after light 1.7775600000000003 1.49239 2.06273 12 h after light 1.770305 1.75446 1.78615 4 h after dark 1.3702433333333333 1.12792 1.50448 8 h after dark 2.9304733333333335 2.47929 3.47836 12 h after dark 2.3257033333333332 2.10539 2.45375