| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.49 | -0.14 |
| Feb | 3.37 | 3.38 | -0.01 |
| Mar | 4.50 | 4.37 | 0.13 |
| Apr | 5.25 | 5.23 | 0.02 |
| May | 5.09 | 5.38 | -0.29 |
| Jun | 4.11 | 4.02 | 0.09 |
| Jul | 4.02 | 3.94 | 0.08 |
| Aug | 3.16 | 3.13 | 0.03 |
| Sep | 3.26 | 3.21 | 0.05 |
| Oct | 3.67 | 3.68 | -0.01 |
| Nov | 4.33 | 4.31 | 0.02 |
| Dec | 3.60 | 3.68 | -0.08 |
47.71 | 47.82 | -0.11 |