| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.69 | -0.10 |
| Feb | 0.78 | 0.79 | -0.01 |
| Mar | 1.39 | 1.54 | -0.15 |
| Apr | 2.45 | 2.23 | 0.22 |
| May | 2.68 | 2.53 | 0.15 |
| Jun | 1.79 | 1.70 | 0.09 |
| Jul | 2.32 | 2.39 | -0.07 |
| Aug | 2.08 | 1.88 | 0.20 |
| Sep | 1.65 | 1.57 | 0.08 |
| Oct | 1.13 | 1.03 | 0.10 |
| Nov | 0.81 | 0.82 | -0.01 |
| Dec | 0.46 | 0.68 | -0.22 |
18.13 | 17.85 | 0.28 |