| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.54 | -0.02 |
| Feb | 0.64 | 0.54 | 0.10 |
| Mar | 1.26 | 1.17 | 0.09 |
| Apr | 1.91 | 2.06 | -0.15 |
| May | 1.84 | 1.83 | 0.01 |
| Jun | 1.45 | 0.96 | 0.49 |
| Jul | 1.92 | 2.65 | -0.73 |
| Aug | 2.01 | 1.96 | 0.05 |
| Sep | 1.05 | 0.99 | 0.06 |
| Oct | 1.19 | 0.85 | 0.34 |
| Nov | 0.72 | 0.73 | -0.01 |
| Dec | 0.55 | 0.57 | -0.02 |
15.06 | 14.85 | 0.21 |