condition mean min max 4 h after light 0.8175115 0.694914 0.940109 8 h after light 0.7522089999999999 0.586672 0.917746 12 h after light 1.62786 1.33065 1.92507 4 h after dark 0.6722553333333333 0.0 1.50963 8 h after dark 0.5071903333333334 0.358207 0.626797 12 h after dark 0.8287356666666666 0.0 1.86102