condition mean min max 2 h after light 0.30425833333333335 0.0 0.574724 6 h after light 0.6660558333333334 0.32039 1.06533 10 h after light 0.6179241666666667 0.0 1.50935 14 h after light 0.461461 0.0 1.38398 18 h after light 0.9751491666666666 0.257526 2.44759 2 h after dark 0.6157285 0.0 1.26176