| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.90 | -0.28 |
| Feb | 2.25 | 2.35 | -0.10 |
| Mar | 3.22 | 3.34 | -0.12 |
| Apr | 3.85 | 3.92 | -0.07 |
| May | 4.33 | 4.16 | 0.17 |
| Jun | 4.47 | 4.48 | -0.01 |
| Jul | 4.26 | 4.13 | 0.13 |
| Aug | 3.33 | 3.38 | -0.05 |
| Sep | 3.11 | 3.09 | 0.02 |
| Oct | 2.72 | 2.86 | -0.14 |
| Nov | 2.73 | 2.82 | -0.09 |
| Dec | 2.83 | 3.02 | -0.19 |
39.72 | 40.45 | -0.73 |