condition mean min max 0 h after light 0.8674645 0.853019 0.88191 4 h after light 1.361285 0.74367 1.9789 8 h after light 1.3961625 0.866775 1.92555 4 h after dark 1.4822 1.04535 1.91905 8 h after dark 1.113477 0.958424 1.26853 12 h after dark 0.8384484999999999 0.607397 1.0695