| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.85 | -0.28 |
| Feb | 2.10 | 2.34 | -0.24 |
| Mar | 2.72 | 2.84 | -0.12 |
| Apr | 3.49 | 3.67 | -0.18 |
| May | 3.71 | 3.75 | -0.04 |
| Jun | 3.83 | 3.88 | -0.05 |
| Jul | 3.69 | 3.76 | -0.07 |
| Aug | 3.53 | 3.72 | -0.19 |
| Sep | 3.69 | 3.79 | -0.10 |
| Oct | 3.38 | 3.46 | -0.08 |
| Nov | 3.05 | 3.08 | -0.03 |
| Dec | 2.69 | 2.92 | -0.23 |
38.45 | 40.06 | -1.61 |