condition mean min max 3 h after light 2.1364033333333334 1.57168 2.46943 6 h after light 3.83254 2.01139 6.44154 9 h after light 7.47436 1.99244 12.8401 12 h after light 6.631195 4.35633 9.43124 3 h after dark 9.194896666666667 8.64548 9.66306 6 h after dark 8.119376666666668 5.0673 12.7415 9 h after dark 8.848419999999999 8.21805 9.52713 12 h after dark 7.1808250000000005 7.0588 7.30285