| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.66 | -0.17 |
| Feb | 3.54 | 3.66 | -0.12 |
| Mar | 4.58 | 4.71 | -0.13 |
| Apr | 5.31 | 5.31 | 0.00 |
| May | 5.08 | 5.33 | -0.25 |
| Jun | 4.20 | 4.07 | 0.13 |
| Jul | 4.04 | 4.00 | 0.04 |
| Aug | 3.17 | 2.90 | 0.27 |
| Sep | 3.32 | 3.26 | 0.06 |
| Oct | 3.76 | 3.69 | 0.07 |
| Nov | 4.32 | 4.37 | -0.05 |
| Dec | 3.87 | 4.08 | -0.21 |
48.68 | 49.04 | -0.36 |