| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.69 | -0.14 |
| Feb | 3.09 | 3.22 | -0.13 |
| Mar | 4.29 | 4.69 | -0.40 |
| Apr | 5.24 | 5.35 | -0.11 |
| May | 5.57 | 5.59 | -0.02 |
| Jun | 5.01 | 5.06 | -0.05 |
| Jul | 4.35 | 4.32 | 0.03 |
| Aug | 3.28 | 3.01 | 0.27 |
| Sep | 3.56 | 3.72 | -0.16 |
| Oct | 3.38 | 3.42 | -0.04 |
| Nov | 3.89 | 4.05 | -0.16 |
| Dec | 3.68 | 3.93 | -0.25 |
48.89 | 50.05 | -1.16 |