condition mean min max 3 h after light 3.622646666666667 2.65804 4.53763 6 h after light 6.859766666666666 6.18011 7.23344 9 h after light 18.0234 17.4208 18.3974 12 h after light 20.9902125 1.97285 27.885 3 h after dark 26.5655 25.2103 27.7942 6 h after dark 30.334966666666666 28.2214 32.6771 9 h after dark 11.620000000000001 10.077 12.8975 12 h after dark 1.9144700000000001 1.54199 2.28695