| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.33 | 1.37 | -0.04 |
| Feb | 1.71 | 1.72 | -0.01 |
| Mar | 2.59 | 2.69 | -0.10 |
| Apr | 3.90 | 3.85 | 0.05 |
| May | 5.25 | 5.25 | 0.00 |
| Jun | 5.24 | 5.36 | -0.12 |
| Jul | 4.55 | 4.68 | -0.13 |
| Aug | 3.98 | 3.97 | 0.01 |
| Sep | 3.99 | 4.06 | -0.07 |
| Oct | 3.21 | 3.13 | 0.08 |
| Nov | 2.36 | 2.29 | 0.07 |
| Dec | 1.64 | 1.64 | 0.00 |
39.75 | 40.01 | -0.26 |