condition mean min max 4 h after light 1.337745 1.29822 1.37727 8 h after light 3.670535 3.6333 3.70777 12 h after light 2.34773 2.066 2.62946 4 h after dark 1.0108433333333333 0.86391 1.08852 8 h after dark 0.44105300000000003 0.149485 0.703814 12 h after dark 0.7250756666666667 0.439412 1.10959