| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.56 | -0.20 |
| Feb | 3.38 | 3.43 | -0.05 |
| Mar | 4.46 | 4.49 | -0.03 |
| Apr | 4.66 | 4.70 | -0.04 |
| May | 5.30 | 5.16 | 0.14 |
| Jun | 4.82 | 4.78 | 0.04 |
| Jul | 4.97 | 4.96 | 0.01 |
| Aug | 3.49 | 3.40 | 0.09 |
| Sep | 3.37 | 3.63 | -0.26 |
| Oct | 3.70 | 3.50 | 0.20 |
| Nov | 3.25 | 3.35 | -0.10 |
| Dec | 3.99 | 4.10 | -0.11 |
48.75 | 49.06 | -0.31 |