condition mean min max 0 h after light 0.7254465 0.610272 0.840621 4 h after light 1.038003 0.676906 1.3991 8 h after light 1.492415 1.4754 1.50943 4 h after dark 1.614495 1.34857 1.88042 8 h after dark 1.735905 1.57773 1.89408 12 h after dark 0.9431415000000001 0.819743 1.06654