| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 2.10 | -0.21 |
| Feb | 1.84 | 1.99 | -0.15 |
| Mar | 2.35 | 2.30 | 0.05 |
| Apr | 3.82 | 3.85 | -0.03 |
| May | 4.69 | 4.70 | -0.01 |
| Jun | 4.46 | 4.41 | 0.05 |
| Jul | 3.71 | 3.75 | -0.04 |
| Aug | 3.84 | 4.07 | -0.23 |
| Sep | 3.32 | 3.27 | 0.05 |
| Oct | 3.40 | 3.48 | -0.08 |
| Nov | 2.51 | 2.64 | -0.13 |
| Dec | 2.08 | 2.21 | -0.13 |
37.91 | 38.77 | -0.86 |