condition mean min max 3 h after light 1.0291656666666666 0.702027 1.23653 6 h after light 0.972211 0.771494 1.35023 9 h after light 1.6890866666666668 1.14359 2.48512 12 h after light 3.2283775 2.40474 4.2466 3 h after dark 3.3195633333333334 2.98784 3.82114 6 h after dark 3.34599 2.8815 3.65794 9 h after dark 2.9543833333333334 2.13604 3.71748 12 h after dark 3.9423500000000002 3.74271 4.14199