condition mean min max 3 h after light 0.582397 0.351951 0.723236 6 h after light 0.310511 0.148076 0.464935 9 h after light 0.828538 0.523466 1.10433 12 h after light 1.11560825 0.591313 1.40651 3 h after dark 1.4086566666666667 1.08722 2.05148 6 h after dark 0.624567 0.0 1.09584 9 h after dark 1.0843293333333333 0.702758 1.48526 12 h after dark 0.7582285 0.538359 0.978098