| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.70 | 0.05 |
| Feb | 2.38 | 2.33 | 0.05 |
| Mar | 2.84 | 2.72 | 0.12 |
| Apr | 3.29 | 3.39 | -0.10 |
| May | 3.73 | 3.82 | -0.09 |
| Jun | 4.72 | 4.55 | 0.17 |
| Jul | 4.64 | 4.73 | -0.09 |
| Aug | 4.28 | 3.87 | 0.41 |
| Sep | 3.46 | 3.54 | -0.08 |
| Oct | 4.28 | 4.36 | -0.08 |
| Nov | 3.13 | 3.24 | -0.11 |
| Dec | 3.38 | 3.31 | 0.07 |
42.88 | 42.56 | 0.32 |