condition mean min max 3 h after light 0.8769456666666667 0.497775 1.14196 6 h after light 0.9236836666666667 0.914276 0.939542 9 h after light 2.1163366666666668 1.69847 2.37327 12 h after light 3.567095 1.93935 4.45692 3 h after dark 4.224123333333333 3.84836 4.97547 6 h after dark 2.89959 2.065 3.35521 9 h after dark 2.07769 1.72743 2.38524 12 h after dark 1.5007199999999998 1.27039 1.73105