| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.37 | 0.18 |
| Feb | 2.10 | 1.96 | 0.14 |
| Mar | 2.41 | 2.07 | 0.34 |
| Apr | 3.14 | 3.10 | 0.04 |
| May | 3.79 | 3.89 | -0.10 |
| Jun | 4.26 | 4.45 | -0.19 |
| Jul | 4.22 | 4.27 | -0.05 |
| Aug | 3.92 | 4.09 | -0.17 |
| Sep | 3.39 | 3.61 | -0.22 |
| Oct | 4.16 | 3.97 | 0.19 |
| Nov | 2.86 | 2.74 | 0.12 |
| Dec | 3.04 | 2.86 | 0.18 |
39.84 | 39.38 | 0.46 |