| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.39 | 1.53 | -0.14 |
| Feb | 1.15 | 1.27 | -0.12 |
| Mar | 1.09 | 1.19 | -0.10 |
| Apr | 1.44 | 1.61 | -0.17 |
| May | 1.69 | 1.70 | -0.01 |
| Jun | 0.74 | 0.75 | -0.01 |
| Jul | 0.49 | 0.47 | 0.02 |
| Aug | 0.68 | 0.64 | 0.04 |
| Sep | 1.00 | 1.07 | -0.07 |
| Oct | 1.34 | 1.30 | 0.04 |
| Nov | 0.97 | 1.11 | -0.14 |
| Dec | 1.12 | 1.33 | -0.21 |
13.10 | 13.97 | -0.87 |