| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.52 | 0.13 |
| Feb | 2.71 | 2.82 | -0.11 |
| Mar | 4.03 | 4.14 | -0.11 |
| Apr | 4.69 | 5.08 | -0.39 |
| May | 5.38 | 5.54 | -0.16 |
| Jun | 4.16 | 4.05 | 0.11 |
| Jul | 3.89 | 4.09 | -0.20 |
| Aug | 3.73 | 4.05 | -0.32 |
| Sep | 3.86 | 3.94 | -0.08 |
| Oct | 3.38 | 3.38 | 0.00 |
| Nov | 3.89 | 3.96 | -0.07 |
| Dec | 2.75 | 2.85 | -0.10 |
45.12 | 46.42 | -1.30 |