condition mean min max 4 h after light 5063.955 4581.213 5357.391 8 h after light 7355.611666666667 7089.846 7745.853 12 h after light 4152.959 3174.2909999999997 5521.03 16 h after light 4784.229666666667 3835.1040000000003 5934.45 4 h after dark 1929.7473333333332 1689.851 2083.962 8 h after dark 1517.546 1164.008 1953.241