| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.94 | -0.25 |
| Feb | 2.10 | 2.21 | -0.11 |
| Mar | 2.30 | 2.43 | -0.13 |
| Apr | 3.74 | 3.75 | -0.01 |
| May | 4.01 | 4.24 | -0.23 |
| Jun | 3.70 | 3.87 | -0.17 |
| Jul | 3.46 | 3.38 | 0.08 |
| Aug | 3.51 | 3.61 | -0.10 |
| Sep | 3.28 | 3.23 | 0.05 |
| Oct | 3.91 | 3.95 | -0.04 |
| Nov | 2.94 | 3.11 | -0.17 |
| Dec | 2.61 | 2.70 | -0.09 |
38.25 | 39.42 | -1.17 |