condition mean min max 4 h after light 216.651 186.938 246.364 8 h after light 200.642 183.387 217.897 12 h after light 197.927 191.059 204.795 4 h after dark 247.421 237.732 261.711 8 h after dark 332.49933333333337 295.454 352.682 12 h after dark 250.65833333333333 224.661 266.867