| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.97 | -0.39 |
| Feb | 2.44 | 2.60 | -0.16 |
| Mar | 2.95 | 3.02 | -0.07 |
| Apr | 3.44 | 3.55 | -0.11 |
| May | 3.78 | 3.89 | -0.11 |
| Jun | 4.65 | 4.56 | 0.09 |
| Jul | 4.58 | 4.71 | -0.13 |
| Aug | 4.09 | 4.12 | -0.03 |
| Sep | 3.55 | 3.49 | 0.06 |
| Oct | 4.35 | 4.36 | -0.01 |
| Nov | 3.12 | 3.28 | -0.16 |
| Dec | 3.27 | 3.61 | -0.34 |
42.80 | 44.16 | -1.36 |