| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.56 | -0.01 |
| Feb | 2.88 | 2.85 | 0.03 |
| Mar | 4.02 | 3.96 | 0.06 |
| Apr | 3.60 | 3.72 | -0.12 |
| May | 3.81 | 3.99 | -0.18 |
| Jun | 4.52 | 4.27 | 0.25 |
| Jul | 5.36 | 5.40 | -0.04 |
| Aug | 5.07 | 5.33 | -0.26 |
| Sep | 5.15 | 5.04 | 0.11 |
| Oct | 3.84 | 4.19 | -0.35 |
| Nov | 3.08 | 3.02 | 0.06 |
| Dec | 3.60 | 3.57 | 0.03 |
48.48 | 48.90 | -0.42 |