| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.56 | -0.04 |
| Feb | 2.88 | 2.90 | -0.02 |
| Mar | 4.05 | 3.98 | 0.07 |
| Apr | 3.65 | 3.69 | -0.04 |
| May | 3.77 | 3.94 | -0.17 |
| Jun | 4.51 | 4.26 | 0.25 |
| Jul | 5.28 | 5.38 | -0.10 |
| Aug | 5.01 | 5.25 | -0.24 |
| Sep | 4.90 | 5.07 | -0.17 |
| Oct | 3.99 | 4.35 | -0.36 |
| Nov | 3.08 | 3.11 | -0.03 |
| Dec | 3.61 | 3.67 | -0.06 |
48.25 | 49.16 | -0.91 |