| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.88 | 0.01 |
| Feb | 0.98 | 0.97 | 0.01 |
| Mar | 1.87 | 1.82 | 0.05 |
| Apr | 3.27 | 2.99 | 0.28 |
| May | 4.45 | 4.33 | 0.12 |
| Jun | 5.47 | 5.13 | 0.34 |
| Jul | 4.55 | 4.39 | 0.16 |
| Aug | 4.72 | 4.53 | 0.19 |
| Sep | 3.63 | 3.57 | 0.06 |
| Oct | 2.58 | 2.42 | 0.16 |
| Nov | 1.69 | 1.61 | 0.08 |
| Dec | 1.19 | 1.20 | -0.01 |
35.29 | 33.84 | 1.45 |