| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.34 | -0.27 |
| Feb | 2.57 | 2.72 | -0.15 |
| Mar | 3.72 | 3.91 | -0.19 |
| Apr | 3.72 | 3.84 | -0.12 |
| May | 3.96 | 4.27 | -0.31 |
| Jun | 4.14 | 4.20 | -0.06 |
| Jul | 4.19 | 4.15 | 0.04 |
| Aug | 3.71 | 3.91 | -0.20 |
| Sep | 4.64 | 5.05 | -0.41 |
| Oct | 3.79 | 4.04 | -0.25 |
| Nov | 3.15 | 3.31 | -0.16 |
| Dec | 3.43 | 3.66 | -0.23 |
44.09 | 46.40 | -2.31 |