| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.92 | 3.94 | -0.02 |
| Feb | 4.17 | 4.21 | -0.04 |
| Mar | 4.69 | 4.78 | -0.09 |
| Apr | 4.84 | 4.82 | 0.02 |
| May | 5.39 | 5.34 | 0.05 |
| Jun | 4.33 | 4.62 | -0.29 |
| Jul | 4.46 | 4.79 | -0.33 |
| Aug | 3.64 | 3.51 | 0.13 |
| Sep | 3.73 | 3.59 | 0.14 |
| Oct | 3.66 | 3.71 | -0.05 |
| Nov | 3.63 | 3.68 | -0.05 |
| Dec | 4.74 | 4.72 | 0.02 |
51.20 | 51.71 | -0.51 |