condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 1.026637 0.0 2.81148 12 h after light 0.9432846666666667 0.0 2.43825 3 h after dark 0.36312833333333333 0.0 0.657108 6 h after dark 0.205213 0.0 0.615639 9 h after dark 0.23178733333333335 0.0 0.695362 12 h after dark 0.0 0.0 0.0