condition mean min max 4 h after light 1.082105 1.0738 1.09041 8 h after light 0.141962063 1.26e-07 0.283924 12 h after light 1.107675 1.02443 1.19092 4 h after dark 0.8045914333333334 0.0207123 1.7778 8 h after dark 2.122583 0.908849 2.90323 12 h after dark 3.4338846666666667 0.622054 5.8521