| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.92 | 4.87 | 0.05 |
| Feb | 4.85 | 4.90 | -0.05 |
| Mar | 5.35 | 5.44 | -0.09 |
| Apr | 4.89 | 4.97 | -0.08 |
| May | 4.83 | 5.08 | -0.25 |
| Jun | 5.02 | 5.15 | -0.13 |
| Jul | 5.15 | 5.32 | -0.17 |
| Aug | 3.94 | 3.85 | 0.09 |
| Sep | 3.97 | 3.99 | -0.02 |
| Oct | 3.50 | 3.37 | 0.13 |
| Nov | 3.98 | 4.01 | -0.03 |
| Dec | 5.82 | 5.93 | -0.11 |
56.22 | 56.88 | -0.66 |