| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.56 | -0.13 |
| Feb | 2.82 | 2.84 | -0.02 |
| Mar | 3.99 | 4.31 | -0.32 |
| Apr | 3.59 | 3.55 | 0.04 |
| May | 3.79 | 3.71 | 0.08 |
| Jun | 4.28 | 4.25 | 0.03 |
| Jul | 4.97 | 4.87 | 0.10 |
| Aug | 4.61 | 4.84 | -0.23 |
| Sep | 3.91 | 3.88 | 0.03 |
| Oct | 3.88 | 4.03 | -0.15 |
| Nov | 3.20 | 3.26 | -0.06 |
| Dec | 4.11 | 4.35 | -0.24 |
46.58 | 47.45 | -0.87 |