| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.94 | 2.19 | -0.25 |
| Feb | 1.87 | 1.97 | -0.10 |
| Mar | 1.76 | 1.84 | -0.08 |
| Apr | 1.45 | 1.47 | -0.02 |
| May | 1.48 | 1.47 | 0.01 |
| Jun | 0.72 | 0.83 | -0.11 |
| Jul | 2.02 | 2.19 | -0.17 |
| Aug | 2.41 | 2.71 | -0.30 |
| Sep | 2.01 | 2.46 | -0.45 |
| Oct | 1.66 | 2.04 | -0.38 |
| Nov | 1.58 | 1.67 | -0.09 |
| Dec | 1.80 | 1.84 | -0.04 |
20.70 | 22.68 | -1.98 |