| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.78 | 0.06 |
| Feb | 2.91 | 2.74 | 0.17 |
| Mar | 3.64 | 3.52 | 0.12 |
| Apr | 3.44 | 3.38 | 0.06 |
| May | 4.68 | 4.61 | 0.07 |
| Jun | 3.70 | 3.67 | 0.03 |
| Jul | 1.78 | 1.81 | -0.03 |
| Aug | 2.40 | 2.31 | 0.09 |
| Sep | 2.87 | 3.06 | -0.19 |
| Oct | 4.72 | 4.36 | 0.36 |
| Nov | 2.88 | 2.95 | -0.07 |
| Dec | 3.19 | 3.06 | 0.13 |
39.05 | 38.25 | 0.80 |