| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.28 | 1.15 | 0.13 |
| Feb | 1.13 | 1.04 | 0.09 |
| Mar | 1.72 | 1.61 | 0.11 |
| Apr | 2.82 | 2.78 | 0.04 |
| May | 3.60 | 3.59 | 0.01 |
| Jun | 4.43 | 4.41 | 0.02 |
| Jul | 4.04 | 4.06 | -0.02 |
| Aug | 3.49 | 3.56 | -0.07 |
| Sep | 3.64 | 3.61 | 0.03 |
| Oct | 3.45 | 3.35 | 0.10 |
| Nov | 2.01 | 1.90 | 0.11 |
| Dec | 1.59 | 1.47 | 0.12 |
33.20 | 32.53 | 0.67 |