| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.84 | 4.72 | 0.12 |
| Feb | 4.90 | 4.86 | 0.04 |
| Mar | 5.38 | 5.28 | 0.10 |
| Apr | 4.93 | 4.87 | 0.06 |
| May | 4.73 | 4.84 | -0.11 |
| Jun | 5.03 | 5.01 | 0.02 |
| Jul | 5.05 | 5.04 | 0.01 |
| Aug | 3.96 | 3.95 | 0.01 |
| Sep | 3.99 | 3.89 | 0.10 |
| Oct | 3.32 | 3.21 | 0.11 |
| Nov | 4.06 | 4.01 | 0.05 |
| Dec | 5.82 | 5.72 | 0.10 |
56.01 | 55.40 | 0.61 |