| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.46 | 5.62 | 0.84 |
| Feb | 4.90 | 4.30 | 0.60 |
| Mar | 5.50 | 4.65 | 0.85 |
| Apr | 4.56 | 3.99 | 0.57 |
| May | 3.28 | 2.81 | 0.47 |
| Jun | 1.78 | 1.47 | 0.31 |
| Jul | 0.45 | 0.37 | 0.08 |
| Aug | 0.50 | 0.40 | 0.10 |
| Sep | 1.39 | 1.17 | 0.22 |
| Oct | 3.81 | 3.05 | 0.76 |
| Nov | 6.88 | 5.90 | 0.98 |
| Dec | 8.27 | 7.35 | 0.92 |
47.78 | 41.08 | 6.70 |