| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.95 | -0.13 |
| Feb | 0.74 | 0.86 | -0.12 |
| Mar | 1.03 | 1.13 | -0.10 |
| Apr | 1.85 | 2.00 | -0.15 |
| May | 2.94 | 2.99 | -0.05 |
| Jun | 4.14 | 4.17 | -0.03 |
| Jul | 3.89 | 4.03 | -0.14 |
| Aug | 3.33 | 3.16 | 0.17 |
| Sep | 3.44 | 3.48 | -0.04 |
| Oct | 2.59 | 2.65 | -0.06 |
| Nov | 1.48 | 1.49 | -0.01 |
| Dec | 1.02 | 1.15 | -0.13 |
27.27 | 28.06 | -0.79 |