condition mean min max 3 h after light 1.5627229999999999 0.445919 2.80251 6 h after light 1.5858716666666666 0.0 3.83207 9 h after light 1.3451266666666666 1.04206 1.57027 12 h after light 0.51889425 0.0 0.839981 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 1.0845596666666666 0.265005 2.33163 12 h after dark 0.774472 0.714473 0.834471