condition mean min max 3 h after light 0.667768 0.544256 0.76258 6 h after light 0.698407 0.67159 0.73666 9 h after light 0.77226 0.630114 0.898112 12 h after light 0.8090585 0.397335 1.53436 3 h after dark 2.0103033333333333 1.81766 2.12908 6 h after dark 2.501306666666667 2.13134 3.01831 9 h after dark 1.9629433333333333 1.61001 2.2321 12 h after dark 1.085761 0.905112 1.26641