condition mean min max 0 h after light 1.5110799999999998 1.00619 2.01597 4 h after light 0.3306835 0.0 0.661367 8 h after light 0.5025310000000001 0.341414 0.663648 4 h after dark 0.8248085 0.661409 0.988208 8 h after dark 1.492025 1.33243 1.65162 12 h after dark 0.9865984999999999 0.334947 1.63825