| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.74 | -0.10 |
| Feb | 2.12 | 2.34 | -0.22 |
| Mar | 2.76 | 2.85 | -0.09 |
| Apr | 3.59 | 3.71 | -0.12 |
| May | 3.80 | 3.82 | -0.02 |
| Jun | 4.09 | 3.99 | 0.10 |
| Jul | 3.74 | 3.80 | -0.06 |
| Aug | 3.61 | 3.59 | 0.02 |
| Sep | 3.59 | 3.58 | 0.01 |
| Oct | 3.32 | 3.38 | -0.06 |
| Nov | 2.90 | 2.87 | 0.03 |
| Dec | 2.65 | 2.69 | -0.04 |
38.81 | 39.36 | -0.55 |