| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.35 | 1.15 | 0.20 |
| Feb | 1.12 | 0.87 | 0.25 |
| Mar | 1.27 | 1.08 | 0.19 |
| Apr | 1.73 | 1.54 | 0.19 |
| May | 2.28 | 2.06 | 0.22 |
| Jun | 2.81 | 2.72 | 0.09 |
| Jul | 1.06 | 0.89 | 0.17 |
| Aug | 0.89 | 0.87 | 0.02 |
| Sep | 1.43 | 1.30 | 0.13 |
| Oct | 1.78 | 1.68 | 0.10 |
| Nov | 1.58 | 1.38 | 0.20 |
| Dec | 1.46 | 1.27 | 0.19 |
18.76 | 16.81 | 1.95 |