| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.30 | -0.05 |
| Feb | 1.94 | 2.06 | -0.12 |
| Mar | 2.36 | 2.37 | -0.01 |
| Apr | 3.69 | 3.71 | -0.02 |
| May | 4.28 | 4.43 | -0.15 |
| Jun | 4.49 | 4.56 | -0.07 |
| Jul | 4.36 | 4.34 | 0.02 |
| Aug | 4.03 | 4.19 | -0.16 |
| Sep | 3.44 | 3.41 | 0.03 |
| Oct | 3.40 | 3.54 | -0.14 |
| Nov | 2.72 | 2.74 | -0.02 |
| Dec | 2.16 | 2.25 | -0.09 |
39.12 | 39.90 | -0.78 |