| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.11 | -0.08 |
| Feb | 3.08 | 3.12 | -0.04 |
| Mar | 4.55 | 4.59 | -0.04 |
| Apr | 4.88 | 5.19 | -0.31 |
| May | 5.18 | 5.35 | -0.17 |
| Jun | 3.99 | 3.95 | 0.04 |
| Jul | 3.56 | 3.74 | -0.18 |
| Aug | 3.39 | 3.53 | -0.14 |
| Sep | 3.87 | 3.88 | -0.01 |
| Oct | 4.08 | 3.90 | 0.18 |
| Nov | 4.35 | 4.36 | -0.01 |
| Dec | 3.58 | 3.63 | -0.05 |
47.54 | 48.35 | -0.81 |