condition mean min max 0 h after light 2.638135 1.40731 3.86896 2 h after light 0.0 0.0 0.0 4 h after light 1.88769 0.0 3.77538 8 h after light 2.45187 2.25011 2.65363 12 h after light 3.38317 2.78705 3.97929 2 h after dark 2.0383585 0.487757 3.58896 4 h after dark 2.33973 0.83764 3.84182 8 h after dark 2.881495 1.56641 4.19658 12 h after dark 2.1710450000000003 1.37663 2.96546