| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.79 | -0.11 |
| Feb | 3.38 | 3.50 | -0.12 |
| Mar | 3.74 | 4.05 | -0.31 |
| Apr | 2.90 | 2.99 | -0.09 |
| May | 3.37 | 3.36 | 0.01 |
| Jun | 4.67 | 4.84 | -0.17 |
| Jul | 4.64 | 4.75 | -0.11 |
| Aug | 4.76 | 4.82 | -0.06 |
| Sep | 4.10 | 4.15 | -0.05 |
| Oct | 3.25 | 3.43 | -0.18 |
| Nov | 2.87 | 2.99 | -0.12 |
| Dec | 3.72 | 3.82 | -0.10 |
45.08 | 46.49 | -1.41 |