| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.62 | -0.14 |
| Feb | 2.90 | 2.84 | 0.06 |
| Mar | 4.06 | 3.89 | 0.17 |
| Apr | 3.44 | 3.59 | -0.15 |
| May | 3.74 | 3.88 | -0.14 |
| Jun | 4.48 | 4.43 | 0.05 |
| Jul | 5.49 | 4.99 | 0.50 |
| Aug | 5.22 | 5.53 | -0.31 |
| Sep | 5.27 | 5.42 | -0.15 |
| Oct | 3.82 | 4.42 | -0.60 |
| Nov | 3.17 | 3.32 | -0.15 |
| Dec | 3.47 | 3.56 | -0.09 |
48.54 | 49.49 | -0.95 |