| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.49 | -0.15 |
| Feb | 2.83 | 2.96 | -0.13 |
| Mar | 3.89 | 3.82 | 0.07 |
| Apr | 3.89 | 3.84 | 0.05 |
| May | 3.81 | 3.95 | -0.14 |
| Jun | 4.41 | 4.43 | -0.02 |
| Jul | 4.62 | 4.62 | 0.00 |
| Aug | 4.40 | 4.88 | -0.48 |
| Sep | 4.45 | 4.47 | -0.02 |
| Oct | 4.73 | 4.69 | 0.04 |
| Nov | 3.79 | 3.85 | -0.06 |
| Dec | 4.07 | 4.26 | -0.19 |
48.23 | 49.26 | -1.03 |