| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.57 | -0.06 |
| Feb | 2.78 | 2.79 | -0.01 |
| Mar | 4.13 | 4.23 | -0.10 |
| Apr | 3.61 | 3.75 | -0.14 |
| May | 3.96 | 3.97 | -0.01 |
| Jun | 4.30 | 4.49 | -0.19 |
| Jul | 4.83 | 4.82 | 0.01 |
| Aug | 4.27 | 4.43 | -0.16 |
| Sep | 3.90 | 4.10 | -0.20 |
| Oct | 4.11 | 4.04 | 0.07 |
| Nov | 3.27 | 3.32 | -0.05 |
| Dec | 4.24 | 4.33 | -0.09 |
46.91 | 47.84 | -0.93 |