condition mean min max 3 h after light 49.90363333333333 37.3081 67.1811 6 h after light 141.15546666666665 93.8884 198.089 9 h after light 1311.5633333333333 1259.72 1405.57 12 h after light 2847.8 2807.65 2878.44 3 h after dark 2397.0499999999997 2164.93 2581.22 6 h after dark 1037.4633333333334 880.87 1216.65 9 h after dark 458.423 436.863 490.465 12 h after dark 151.361 113.584 203.606