| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.11 | -0.02 |
| Feb | 2.87 | 2.85 | 0.02 |
| Mar | 4.38 | 4.35 | 0.03 |
| Apr | 5.17 | 4.90 | 0.27 |
| May | 5.82 | 5.70 | 0.12 |
| Jun | 4.82 | 4.81 | 0.01 |
| Jul | 4.17 | 3.79 | 0.38 |
| Aug | 4.05 | 3.27 | 0.78 |
| Sep | 4.58 | 4.51 | 0.07 |
| Oct | 4.60 | 4.51 | 0.09 |
| Nov | 4.32 | 4.39 | -0.07 |
| Dec | 3.72 | 3.48 | 0.24 |
51.59 | 49.67 | 1.92 |