| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.41 | -0.17 |
| Feb | 2.84 | 2.96 | -0.12 |
| Mar | 4.00 | 4.20 | -0.20 |
| Apr | 3.41 | 3.50 | -0.09 |
| May | 3.47 | 3.85 | -0.38 |
| Jun | 4.11 | 4.08 | 0.03 |
| Jul | 4.33 | 4.20 | 0.13 |
| Aug | 4.72 | 4.68 | 0.04 |
| Sep | 4.07 | 4.49 | -0.42 |
| Oct | 3.86 | 4.24 | -0.38 |
| Nov | 3.22 | 3.28 | -0.06 |
| Dec | 3.82 | 4.00 | -0.18 |
45.09 | 46.89 | -1.80 |