| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.72 | 2.69 | 0.03 |
| Feb | 2.24 | 2.35 | -0.11 |
| Mar | 3.25 | 3.35 | -0.10 |
| Apr | 4.69 | 4.85 | -0.16 |
| May | 4.97 | 4.96 | 0.01 |
| Jun | 4.38 | 4.62 | -0.24 |
| Jul | 4.03 | 4.20 | -0.17 |
| Aug | 3.33 | 3.65 | -0.32 |
| Sep | 3.27 | 3.28 | -0.01 |
| Oct | 3.14 | 3.25 | -0.11 |
| Nov | 3.51 | 3.69 | -0.18 |
| Dec | 2.65 | 2.78 | -0.13 |
42.18 | 43.67 | -1.49 |