| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.49 | -0.10 |
| Feb | 2.63 | 2.87 | -0.24 |
| Mar | 3.63 | 3.85 | -0.22 |
| Apr | 3.78 | 3.94 | -0.16 |
| May | 3.91 | 4.10 | -0.19 |
| Jun | 4.43 | 4.56 | -0.13 |
| Jul | 4.80 | 4.82 | -0.02 |
| Aug | 4.71 | 4.80 | -0.09 |
| Sep | 4.48 | 4.62 | -0.14 |
| Oct | 4.39 | 4.58 | -0.19 |
| Nov | 3.16 | 3.38 | -0.22 |
| Dec | 4.02 | 4.20 | -0.18 |
47.33 | 49.21 | -1.88 |