condition mean min max 3 h after light 1.0568309166666667 0.565139 3.23151 7 h after light 0.7067360833333334 0.278209 1.42172 11 h after light 0.6256964083333334 0.0945169 1.44421 2 h after dark 1.3440492333333334 0.0810208 3.009 6 h after dark 0.8512995 0.353388 1.45985 10 h after dark 0.6345125166666666 0.0866382 1.05381