condition mean min max 3 h after light 4.837693333333333 3.29805 5.81722 6 h after light 6.666863333333334 5.26876 9.24917 9 h after light 4.30138 3.71087 5.12946 12 h after light 4.3818725 3.92945 4.62512 3 h after dark 5.924556666666667 3.26095 7.70733 6 h after dark 4.18089 3.32292 5.0901 9 h after dark 3.6661133333333336 3.44218 4.07172 12 h after dark 3.130845 2.62873 3.63296