condition mean min max 3 h after light 51.1271 46.8958 55.7406 6 h after light 44.99596666666667 43.6057 45.6915 9 h after light 48.5304 46.4254 51.1609 12 h after light 68.495525 63.7103 74.6213 3 h after dark 90.81463333333333 83.1772 100.078 6 h after dark 129.50533333333334 120.432 137.824 9 h after dark 124.61200000000001 117.177 135.092 12 h after dark 76.5967 71.238 81.9554