| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.36 | 4.31 | 0.05 |
| Feb | 4.68 | 4.66 | 0.02 |
| Mar | 5.09 | 5.06 | 0.03 |
| Apr | 4.94 | 4.94 | 0.00 |
| May | 4.96 | 5.19 | -0.23 |
| Jun | 4.41 | 4.36 | 0.05 |
| Jul | 4.39 | 4.54 | -0.15 |
| Aug | 3.49 | 3.50 | -0.01 |
| Sep | 3.86 | 3.99 | -0.13 |
| Oct | 3.50 | 3.41 | 0.09 |
| Nov | 3.69 | 3.84 | -0.15 |
| Dec | 4.96 | 5.16 | -0.20 |
52.33 | 52.96 | -0.63 |