| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.57 | -0.18 |
| Feb | 3.24 | 3.33 | -0.09 |
| Mar | 4.12 | 4.37 | -0.25 |
| Apr | 4.03 | 4.06 | -0.03 |
| May | 3.68 | 3.59 | 0.09 |
| Jun | 4.07 | 4.11 | -0.04 |
| Jul | 3.58 | 3.67 | -0.09 |
| Aug | 3.65 | 3.73 | -0.08 |
| Sep | 3.85 | 3.73 | 0.12 |
| Oct | 4.71 | 4.75 | -0.04 |
| Nov | 3.78 | 3.81 | -0.03 |
| Dec | 4.30 | 4.59 | -0.29 |
46.40 | 47.31 | -0.91 |