| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.33 | -0.21 |
| Feb | 2.74 | 2.70 | 0.04 |
| Mar | 4.17 | 4.43 | -0.26 |
| Apr | 3.45 | 3.64 | -0.19 |
| May | 3.99 | 4.25 | -0.26 |
| Jun | 4.08 | 4.63 | -0.55 |
| Jul | 4.55 | 4.83 | -0.28 |
| Aug | 4.34 | 4.29 | 0.05 |
| Sep | 4.54 | 4.92 | -0.38 |
| Oct | 3.90 | 4.62 | -0.72 |
| Nov | 3.34 | 3.41 | -0.07 |
| Dec | 3.83 | 4.22 | -0.39 |
46.05 | 49.27 | -3.22 |