| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.87 | 5.07 | -0.20 |
| Feb | 4.74 | 4.77 | -0.03 |
| Mar | 5.26 | 5.38 | -0.12 |
| Apr | 4.43 | 4.55 | -0.12 |
| May | 3.94 | 3.96 | -0.02 |
| Jun | 3.92 | 3.89 | 0.03 |
| Jul | 3.87 | 4.11 | -0.24 |
| Aug | 3.86 | 3.78 | 0.08 |
| Sep | 3.85 | 3.84 | 0.01 |
| Oct | 3.56 | 3.71 | -0.15 |
| Nov | 4.32 | 4.40 | -0.08 |
| Dec | 5.13 | 5.23 | -0.10 |
51.75 | 52.69 | -0.94 |