| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.82 | 4.07 | -0.25 |
| Feb | 3.44 | 3.56 | -0.12 |
| Mar | 4.70 | 4.82 | -0.12 |
| Apr | 4.09 | 4.17 | -0.08 |
| May | 3.41 | 3.52 | -0.11 |
| Jun | 3.32 | 3.28 | 0.04 |
| Jul | 2.60 | 2.66 | -0.06 |
| Aug | 3.36 | 3.54 | -0.18 |
| Sep | 4.01 | 3.78 | 0.23 |
| Oct | 4.64 | 4.60 | 0.04 |
| Nov | 4.15 | 4.07 | 0.08 |
| Dec | 4.68 | 4.84 | -0.16 |
46.22 | 46.91 | -0.69 |