| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.50 | -0.17 |
| Feb | 3.17 | 3.20 | -0.03 |
| Mar | 4.48 | 4.50 | -0.02 |
| Apr | 5.10 | 5.23 | -0.13 |
| May | 5.10 | 5.17 | -0.07 |
| Jun | 4.40 | 4.39 | 0.01 |
| Jul | 4.39 | 4.36 | 0.03 |
| Aug | 3.14 | 3.11 | 0.03 |
| Sep | 3.41 | 3.52 | -0.11 |
| Oct | 3.41 | 3.45 | -0.04 |
| Nov | 3.98 | 3.94 | 0.04 |
| Dec | 3.87 | 3.95 | -0.08 |
47.78 | 48.32 | -0.54 |