| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.69 | 0.12 |
| Feb | 2.99 | 2.86 | 0.13 |
| Mar | 3.58 | 3.65 | -0.07 |
| Apr | 3.47 | 3.42 | 0.05 |
| May | 4.74 | 4.67 | 0.07 |
| Jun | 3.76 | 3.85 | -0.09 |
| Jul | 2.02 | 2.10 | -0.08 |
| Aug | 2.33 | 2.35 | -0.02 |
| Sep | 3.09 | 3.13 | -0.04 |
| Oct | 4.76 | 4.69 | 0.07 |
| Nov | 3.06 | 3.05 | 0.01 |
| Dec | 3.28 | 3.36 | -0.08 |
39.89 | 39.82 | 0.07 |