| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.69 | 0.06 |
| Feb | 3.00 | 3.24 | -0.24 |
| Mar | 4.49 | 4.47 | 0.02 |
| Apr | 3.70 | 3.68 | 0.02 |
| May | 3.75 | 3.69 | 0.06 |
| Jun | 3.97 | 4.20 | -0.23 |
| Jul | 4.46 | 4.35 | 0.11 |
| Aug | 4.61 | 4.51 | 0.10 |
| Sep | 3.99 | 3.88 | 0.11 |
| Oct | 4.07 | 4.30 | -0.23 |
| Nov | 3.33 | 3.58 | -0.25 |
| Dec | 4.52 | 4.74 | -0.22 |
47.64 | 48.33 | -0.69 |