| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 3.18 | -0.45 |
| Feb | 2.34 | 2.91 | -0.57 |
| Mar | 2.96 | 3.41 | -0.45 |
| Apr | 3.55 | 3.82 | -0.27 |
| May | 3.91 | 3.98 | -0.07 |
| Jun | 4.36 | 4.83 | -0.47 |
| Jul | 4.17 | 4.50 | -0.33 |
| Aug | 3.96 | 4.14 | -0.18 |
| Sep | 3.70 | 3.87 | -0.17 |
| Oct | 4.24 | 4.61 | -0.37 |
| Nov | 3.35 | 3.90 | -0.55 |
| Dec | 3.26 | 3.90 | -0.64 |
42.53 | 47.05 | -4.52 |