| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.68 | 0.04 |
| Feb | 0.79 | 0.75 | 0.04 |
| Mar | 1.42 | 1.38 | 0.04 |
| Apr | 2.38 | 2.53 | -0.15 |
| May | 3.55 | 3.51 | 0.04 |
| Jun | 4.49 | 4.45 | 0.04 |
| Jul | 4.54 | 4.65 | -0.11 |
| Aug | 3.89 | 3.85 | 0.04 |
| Sep | 3.14 | 3.00 | 0.14 |
| Oct | 2.90 | 2.85 | 0.05 |
| Nov | 1.46 | 1.44 | 0.02 |
| Dec | 0.97 | 1.06 | -0.09 |
30.25 | 30.15 | 0.10 |