condition mean min max 3 h after light 1.2465339166666667 0.449776 2.91851 7 h after light 1.0258158333333334 0.496946 2.15247 11 h after light 1.3918740833333334 0.743031 2.65369 2 h after dark 1.0651058333333334 0.289625 2.59326 6 h after dark 1.0520949166666667 0.33868 1.78011 10 h after dark 0.96146325 0.199023 2.16434