| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.45 | -0.04 |
| Feb | 2.89 | 2.92 | -0.03 |
| Mar | 4.04 | 4.06 | -0.02 |
| Apr | 3.39 | 3.52 | -0.13 |
| May | 3.58 | 3.66 | -0.08 |
| Jun | 3.96 | 3.91 | 0.05 |
| Jul | 4.40 | 4.49 | -0.09 |
| Aug | 4.54 | 5.24 | -0.70 |
| Sep | 4.13 | 4.29 | -0.16 |
| Oct | 3.88 | 4.11 | -0.23 |
| Nov | 3.10 | 3.12 | -0.02 |
| Dec | 3.55 | 3.75 | -0.20 |
44.87 | 46.52 | -1.65 |