| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.47 | -0.04 |
| Feb | 2.78 | 2.85 | -0.07 |
| Mar | 3.88 | 3.93 | -0.05 |
| Apr | 3.91 | 3.96 | -0.05 |
| May | 3.91 | 3.97 | -0.06 |
| Jun | 4.74 | 4.84 | -0.10 |
| Jul | 4.65 | 4.61 | 0.04 |
| Aug | 4.60 | 4.77 | -0.17 |
| Sep | 4.57 | 4.58 | -0.01 |
| Oct | 4.52 | 4.71 | -0.19 |
| Nov | 3.41 | 3.37 | 0.04 |
| Dec | 4.04 | 4.22 | -0.18 |
48.44 | 49.28 | -0.84 |