| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.09 | 5.13 | -0.04 |
| Feb | 5.34 | 5.36 | -0.02 |
| Mar | 5.61 | 5.40 | 0.21 |
| Apr | 5.15 | 5.25 | -0.10 |
| May | 4.78 | 5.25 | -0.47 |
| Jun | 4.39 | 4.75 | -0.36 |
| Jul | 4.75 | 4.97 | -0.22 |
| Aug | 4.46 | 4.33 | 0.13 |
| Sep | 3.72 | 4.09 | -0.37 |
| Oct | 3.76 | 3.69 | 0.07 |
| Nov | 4.10 | 4.07 | 0.03 |
| Dec | 5.95 | 6.06 | -0.11 |
57.10 | 58.35 | -1.25 |