| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.91 | -0.16 |
| Feb | 0.89 | 0.89 | 0.00 |
| Mar | 1.59 | 1.68 | -0.09 |
| Apr | 3.01 | 2.85 | 0.16 |
| May | 4.10 | 4.14 | -0.04 |
| Jun | 4.68 | 5.05 | -0.37 |
| Jul | 4.04 | 3.96 | 0.08 |
| Aug | 4.00 | 4.08 | -0.08 |
| Sep | 3.15 | 3.23 | -0.08 |
| Oct | 2.33 | 2.40 | -0.07 |
| Nov | 1.49 | 1.48 | 0.01 |
| Dec | 1.10 | 1.18 | -0.08 |
31.13 | 31.85 | -0.72 |