condition mean min max 4 h after light 1.1452054999999999 0.801031 1.48938 8 h after light 1.3846349999999998 1.33513 1.43414 12 h after light 2.99666 2.72917 3.26415 4 h after dark 4.88052 4.6898 5.0193 8 h after dark 3.4727900000000003 2.59131 4.31416 12 h after dark 1.3827446666666667 0.665754 2.02129