| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.19 | -0.02 |
| Feb | 3.70 | 3.73 | -0.03 |
| Mar | 4.54 | 4.65 | -0.11 |
| Apr | 4.09 | 4.14 | -0.05 |
| May | 3.90 | 3.96 | -0.06 |
| Jun | 4.23 | 4.11 | 0.12 |
| Jul | 4.11 | 4.23 | -0.12 |
| Aug | 4.49 | 4.58 | -0.09 |
| Sep | 3.88 | 3.91 | -0.03 |
| Oct | 3.49 | 3.65 | -0.16 |
| Nov | 3.72 | 3.89 | -0.17 |
| Dec | 4.38 | 4.73 | -0.35 |
48.70 | 49.77 | -1.07 |