| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.61 | -0.11 |
| Feb | 2.90 | 2.84 | 0.06 |
| Mar | 4.04 | 3.92 | 0.12 |
| Apr | 3.50 | 3.61 | -0.11 |
| May | 3.73 | 3.90 | -0.17 |
| Jun | 4.47 | 4.38 | 0.09 |
| Jul | 5.45 | 5.07 | 0.38 |
| Aug | 5.19 | 5.47 | -0.28 |
| Sep | 5.22 | 5.23 | -0.01 |
| Oct | 3.82 | 4.33 | -0.51 |
| Nov | 3.11 | 3.26 | -0.15 |
| Dec | 3.52 | 3.57 | -0.05 |
48.45 | 49.19 | -0.74 |