| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.56 | -0.19 |
| Feb | 2.85 | 2.86 | -0.01 |
| Mar | 3.97 | 3.78 | 0.19 |
| Apr | 3.43 | 3.53 | -0.10 |
| May | 3.69 | 3.80 | -0.11 |
| Jun | 4.17 | 4.29 | -0.12 |
| Jul | 5.24 | 4.97 | 0.27 |
| Aug | 5.00 | 5.64 | -0.64 |
| Sep | 5.05 | 4.94 | 0.11 |
| Oct | 3.85 | 4.46 | -0.61 |
| Nov | 3.10 | 3.28 | -0.18 |
| Dec | 3.39 | 3.50 | -0.11 |
47.11 | 48.61 | -1.50 |