| Period | Standard Deviation | Median | Mean | Center | Top of Range | Bottom of Range | High | Low |
|---|---|---|---|---|---|---|---|---|
| Day | 1.55 | 150 | 149.46 | 149.73 | 151.28 | 148.18 | 152.23 | 140.69 |
| Week | 4.91 | 141.28 | 142.28 | 141.78 | 146.69 | 136.87 | 152.07 | 133.77 |
| Month | 7.24 | 136.5 | 135.57 | 136.03 | 143.27 | 128.79 | 150.28 | 123.71 |
| Year | 101.14 | 311.09 | 283.97 | 297.53 | 398.67 | 196.39 | 455.9 | 106.99 |
| Composite | 28.71 | 184.72 | 177.82 | 181.27 | 209.98 | 152.56 | 227.62 | 126.29 |