condition mean min max 3 h after light 0.1963598 0.0678984 0.375031 6 h after light 0.0 0.0 0.0 9 h after light 0.07357966666666667 0.0 0.220739 12 h after light 0.022161725 0.0 0.0886469 3 h after dark 0.019299633333333333 0.0 0.0578989 6 h after dark 0.042161166666666666 0.0 0.0785941 9 h after dark 0.0302768 0.0 0.0504138 12 h after dark 0.02130035 0.0 0.0426007