| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.74 | -0.30 |
| Feb | 2.82 | 2.78 | 0.04 |
| Mar | 3.75 | 3.87 | -0.12 |
| Apr | 3.78 | 4.07 | -0.29 |
| May | 4.38 | 4.65 | -0.27 |
| Jun | 4.54 | 4.71 | -0.17 |
| Jul | 3.87 | 3.94 | -0.07 |
| Aug | 3.87 | 3.60 | 0.27 |
| Sep | 4.58 | 4.89 | -0.31 |
| Oct | 3.33 | 3.33 | 0.00 |
| Nov | 3.33 | 3.34 | -0.01 |
| Dec | 3.44 | 3.70 | -0.26 |
45.13 | 46.62 | -1.49 |