| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.01 | 0.03 |
| Feb | 1.28 | 1.24 | 0.04 |
| Mar | 1.69 | 1.76 | -0.07 |
| Apr | 1.71 | 1.68 | 0.03 |
| May | 2.89 | 3.01 | -0.12 |
| Jun | 2.71 | 2.75 | -0.04 |
| Jul | 1.49 | 1.59 | -0.10 |
| Aug | 2.57 | 2.26 | 0.31 |
| Sep | 2.71 | 2.58 | 0.13 |
| Oct | 2.65 | 2.43 | 0.22 |
| Nov | 1.41 | 1.47 | -0.06 |
| Dec | 1.13 | 1.04 | 0.09 |
23.28 | 22.82 | 0.46 |