condition mean min max 3 h after light 1.3255414166666666 0.418519 4.61738 7 h after light 1.0175200833333333 0.22757 1.77862 11 h after light 1.0463455833333333 0.316378 1.77885 2 h after dark 1.01426075 0.259351 1.69995 6 h after dark 1.34146625 0.485398 2.73266 10 h after dark 1.039094 0.489417 2.58019