| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.25 | -0.03 |
| Feb | 1.94 | 2.04 | -0.10 |
| Mar | 2.33 | 2.38 | -0.05 |
| Apr | 3.65 | 3.71 | -0.06 |
| May | 4.23 | 4.36 | -0.13 |
| Jun | 4.35 | 4.42 | -0.07 |
| Jul | 4.23 | 4.17 | 0.06 |
| Aug | 3.94 | 4.09 | -0.15 |
| Sep | 3.45 | 3.40 | 0.05 |
| Oct | 3.46 | 3.55 | -0.09 |
| Nov | 2.80 | 2.73 | 0.07 |
| Dec | 2.14 | 2.23 | -0.09 |
38.74 | 39.33 | -0.59 |