| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 3.89 | 0.08 |
| Feb | 4.39 | 4.36 | 0.03 |
| Mar | 4.71 | 4.72 | -0.01 |
| Apr | 5.08 | 5.07 | 0.01 |
| May | 5.45 | 5.48 | -0.03 |
| Jun | 4.16 | 4.19 | -0.03 |
| Jul | 4.38 | 4.47 | -0.09 |
| Aug | 3.70 | 3.61 | 0.09 |
| Sep | 3.68 | 3.71 | -0.03 |
| Oct | 3.77 | 3.83 | -0.06 |
| Nov | 3.77 | 3.70 | 0.07 |
| Dec | 4.78 | 4.69 | 0.09 |
51.84 | 51.72 | 0.12 |