| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.89 | 4.31 | 0.58 |
| Feb | 3.99 | 3.50 | 0.49 |
| Mar | 4.85 | 4.44 | 0.41 |
| Apr | 4.96 | 4.71 | 0.25 |
| May | 5.19 | 4.66 | 0.53 |
| Jun | 5.16 | 4.73 | 0.43 |
| Jul | 5.43 | 4.58 | 0.85 |
| Aug | 5.85 | 5.39 | 0.46 |
| Sep | 5.35 | 4.95 | 0.40 |
| Oct | 4.55 | 4.38 | 0.17 |
| Nov | 4.29 | 3.59 | 0.70 |
| Dec | 4.97 | 4.56 | 0.41 |
59.48 | 53.80 | 5.68 |