| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.62 | -0.02 |
| Feb | 3.37 | 3.35 | 0.02 |
| Mar | 3.60 | 3.49 | 0.11 |
| Apr | 3.07 | 3.04 | 0.03 |
| May | 3.76 | 3.82 | -0.06 |
| Jun | 4.33 | 4.44 | -0.11 |
| Jul | 5.05 | 5.38 | -0.33 |
| Aug | 5.16 | 5.10 | 0.06 |
| Sep | 4.68 | 4.96 | -0.28 |
| Oct | 3.41 | 3.37 | 0.04 |
| Nov | 2.99 | 2.92 | 0.07 |
| Dec | 3.78 | 3.79 | -0.01 |
46.80 | 47.28 | -0.48 |