| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.59 | -0.15 |
| Feb | 2.82 | 2.84 | -0.02 |
| Mar | 4.14 | 4.38 | -0.24 |
| Apr | 3.65 | 3.62 | 0.03 |
| May | 3.62 | 3.68 | -0.06 |
| Jun | 4.29 | 4.23 | 0.06 |
| Jul | 4.83 | 4.75 | 0.08 |
| Aug | 4.46 | 4.78 | -0.32 |
| Sep | 3.96 | 4.04 | -0.08 |
| Oct | 3.89 | 4.04 | -0.15 |
| Nov | 3.21 | 3.25 | -0.04 |
| Dec | 4.18 | 4.36 | -0.18 |
46.49 | 47.56 | -1.07 |