| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.64 | 0.01 |
| Feb | 3.65 | 3.77 | -0.12 |
| Mar | 4.73 | 4.70 | 0.03 |
| Apr | 4.61 | 4.66 | -0.05 |
| May | 5.21 | 5.34 | -0.13 |
| Jun | 4.97 | 5.09 | -0.12 |
| Jul | 4.84 | 4.73 | 0.11 |
| Aug | 3.43 | 3.35 | 0.08 |
| Sep | 3.82 | 3.74 | 0.08 |
| Oct | 3.68 | 3.45 | 0.23 |
| Nov | 3.36 | 3.39 | -0.03 |
| Dec | 4.25 | 4.38 | -0.13 |
50.20 | 50.24 | -0.04 |