| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.31 | -0.12 |
| Feb | 3.80 | 3.88 | -0.08 |
| Mar | 4.61 | 4.61 | 0.00 |
| Apr | 3.82 | 3.82 | 0.00 |
| May | 3.90 | 3.75 | 0.15 |
| Jun | 4.31 | 4.12 | 0.19 |
| Jul | 3.94 | 4.02 | -0.08 |
| Aug | 4.41 | 4.50 | -0.09 |
| Sep | 3.78 | 3.41 | 0.37 |
| Oct | 3.28 | 3.39 | -0.11 |
| Nov | 3.62 | 3.82 | -0.20 |
| Dec | 4.36 | 4.70 | -0.34 |
48.02 | 48.33 | -0.31 |