| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.25 | -0.05 |
| Feb | 3.65 | 3.73 | -0.08 |
| Mar | 4.58 | 4.69 | -0.11 |
| Apr | 4.22 | 4.22 | 0.00 |
| May | 3.82 | 3.82 | 0.00 |
| Jun | 4.25 | 4.08 | 0.17 |
| Jul | 4.11 | 3.96 | 0.15 |
| Aug | 4.51 | 4.42 | 0.09 |
| Sep | 3.85 | 3.79 | 0.06 |
| Oct | 3.57 | 3.80 | -0.23 |
| Nov | 3.72 | 3.78 | -0.06 |
| Dec | 4.37 | 4.56 | -0.19 |
48.85 | 49.10 | -0.25 |