| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.40 | 4.49 | -0.09 |
| Feb | 4.33 | 4.42 | -0.09 |
| Mar | 4.67 | 4.69 | -0.02 |
| Apr | 3.59 | 3.79 | -0.20 |
| May | 3.50 | 3.60 | -0.10 |
| Jun | 4.38 | 4.48 | -0.10 |
| Jul | 3.90 | 4.03 | -0.13 |
| Aug | 4.50 | 4.60 | -0.10 |
| Sep | 3.67 | 3.89 | -0.22 |
| Oct | 3.33 | 3.58 | -0.25 |
| Nov | 3.66 | 3.87 | -0.21 |
| Dec | 4.48 | 4.75 | -0.27 |
48.41 | 50.19 | -1.78 |