| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 4.73 | 0.28 |
| Feb | 4.54 | 4.78 | -0.24 |
| Mar | 4.62 | 4.75 | -0.13 |
| Apr | 4.25 | 4.50 | -0.25 |
| May | 3.08 | 2.99 | 0.09 |
| Jun | 4.74 | 4.97 | -0.23 |
| Jul | 5.85 | 5.68 | 0.17 |
| Aug | 4.68 | 4.77 | -0.09 |
| Sep | 3.78 | 3.84 | -0.06 |
| Oct | 2.68 | 2.94 | -0.26 |
| Nov | 3.67 | 3.72 | -0.05 |
| Dec | 5.15 | 5.23 | -0.08 |
52.05 | 52.90 | -0.85 |