| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.56 | -0.19 |
| Feb | 2.78 | 2.84 | -0.06 |
| Mar | 4.03 | 4.32 | -0.29 |
| Apr | 3.69 | 3.72 | -0.03 |
| May | 3.75 | 3.94 | -0.19 |
| Jun | 4.15 | 4.26 | -0.11 |
| Jul | 4.72 | 4.68 | 0.04 |
| Aug | 4.28 | 4.74 | -0.46 |
| Sep | 4.30 | 4.39 | -0.09 |
| Oct | 3.83 | 3.99 | -0.16 |
| Nov | 3.26 | 3.25 | 0.01 |
| Dec | 4.19 | 4.40 | -0.21 |
46.35 | 48.09 | -1.74 |