| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.83 | -0.13 |
| Feb | 3.68 | 3.72 | -0.04 |
| Mar | 4.08 | 4.32 | -0.24 |
| Apr | 4.30 | 4.26 | 0.04 |
| May | 4.71 | 4.43 | 0.28 |
| Jun | 4.51 | 4.49 | 0.02 |
| Jul | 4.83 | 4.96 | -0.13 |
| Aug | 4.08 | 4.44 | -0.36 |
| Sep | 3.35 | 3.37 | -0.02 |
| Oct | 3.00 | 2.82 | 0.18 |
| Nov | 2.98 | 3.09 | -0.11 |
| Dec | 3.71 | 4.09 | -0.38 |
46.93 | 47.82 | -0.89 |