| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 0.85 | 0.10 |
| Feb | 0.90 | 0.87 | 0.03 |
| Mar | 1.02 | 0.93 | 0.09 |
| Apr | 1.09 | 1.02 | 0.07 |
| May | 1.34 | 1.35 | -0.01 |
| Jun | 0.64 | 0.61 | 0.03 |
| Jul | 1.62 | 1.75 | -0.13 |
| Aug | 1.84 | 2.17 | -0.33 |
| Sep | 1.89 | 1.96 | -0.07 |
| Oct | 1.50 | 1.49 | 0.01 |
| Nov | 1.17 | 1.12 | 0.05 |
| Dec | 1.06 | 1.01 | 0.05 |
15.02 | 15.13 | -0.11 |