condition mean min max 4 h after light 0.808605 0.752246 0.864964 8 h after light 0.804698 0.514046 1.09535 12 h after light 1.192405 1.09824 1.28657 4 h after dark 1.016013 0.775109 1.20772 8 h after dark 1.25323 1.02398 1.56532 12 h after dark 0.9166703333333334 0.860001 1.02135