| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.64 | -0.05 |
| Feb | 2.97 | 2.90 | 0.07 |
| Mar | 4.14 | 4.02 | 0.12 |
| Apr | 3.68 | 3.58 | 0.10 |
| May | 3.79 | 3.66 | 0.13 |
| Jun | 4.52 | 4.54 | -0.02 |
| Jul | 4.94 | 4.82 | 0.12 |
| Aug | 4.80 | 4.64 | 0.16 |
| Sep | 5.14 | 5.31 | -0.17 |
| Oct | 3.61 | 3.70 | -0.09 |
| Nov | 3.49 | 3.39 | 0.10 |
| Dec | 3.54 | 3.45 | 0.09 |
48.21 | 47.65 | 0.56 |