| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.41 | -0.07 |
| Feb | 3.05 | 2.74 | 0.31 |
| Mar | 4.14 | 4.13 | 0.01 |
| Apr | 3.94 | 4.21 | -0.27 |
| May | 5.01 | 5.32 | -0.31 |
| Jun | 4.82 | 4.81 | 0.01 |
| Jul | 5.47 | 6.19 | -0.72 |
| Aug | 4.10 | 4.33 | -0.23 |
| Sep | 3.66 | 3.65 | 0.01 |
| Oct | 3.06 | 3.11 | -0.05 |
| Nov | 3.03 | 3.11 | -0.08 |
| Dec | 3.65 | 3.74 | -0.09 |
47.27 | 48.75 | -1.48 |