| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.48 | -0.15 |
| Feb | 2.60 | 2.78 | -0.18 |
| Mar | 3.55 | 3.66 | -0.11 |
| Apr | 4.91 | 5.10 | -0.19 |
| May | 5.06 | 5.12 | -0.06 |
| Jun | 5.02 | 5.15 | -0.13 |
| Jul | 4.57 | 4.82 | -0.25 |
| Aug | 3.34 | 3.28 | 0.06 |
| Sep | 3.49 | 3.66 | -0.17 |
| Oct | 3.66 | 3.70 | -0.04 |
| Nov | 3.89 | 3.97 | -0.08 |
| Dec | 3.22 | 3.43 | -0.21 |
46.64 | 48.15 | -1.51 |