| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.44 | 0.00 |
| Feb | 0.55 | 0.61 | -0.06 |
| Mar | 0.88 | 0.97 | -0.09 |
| Apr | 1.76 | 1.85 | -0.09 |
| May | 2.96 | 3.03 | -0.07 |
| Jun | 2.33 | 2.41 | -0.08 |
| Jul | 1.62 | 1.72 | -0.10 |
| Aug | 1.26 | 1.31 | -0.05 |
| Sep | 1.04 | 1.04 | 0.00 |
| Oct | 1.40 | 1.43 | -0.03 |
| Nov | 0.53 | 0.57 | -0.04 |
| Dec | 0.45 | 0.52 | -0.07 |
15.22 | 15.90 | -0.68 |