| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.42 | -0.01 |
| Feb | 2.85 | 2.77 | 0.08 |
| Mar | 4.04 | 4.13 | -0.09 |
| Apr | 3.39 | 3.43 | -0.04 |
| May | 3.71 | 3.85 | -0.14 |
| Jun | 4.43 | 4.35 | 0.08 |
| Jul | 4.88 | 5.11 | -0.23 |
| Aug | 4.82 | 4.94 | -0.12 |
| Sep | 4.44 | 5.00 | -0.56 |
| Oct | 4.01 | 4.25 | -0.24 |
| Nov | 3.01 | 3.00 | 0.01 |
| Dec | 3.62 | 3.70 | -0.08 |
46.61 | 47.95 | -1.34 |