| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.36 | 0.04 |
| Feb | 2.88 | 2.85 | 0.03 |
| Mar | 3.98 | 4.07 | -0.09 |
| Apr | 3.40 | 3.44 | -0.04 |
| May | 3.65 | 3.81 | -0.16 |
| Jun | 4.09 | 4.27 | -0.18 |
| Jul | 4.27 | 4.39 | -0.12 |
| Aug | 4.84 | 4.97 | -0.13 |
| Sep | 4.03 | 4.15 | -0.12 |
| Oct | 3.74 | 3.97 | -0.23 |
| Nov | 3.10 | 3.23 | -0.13 |
| Dec | 3.61 | 3.79 | -0.18 |
44.99 | 46.30 | -1.31 |