| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.70 | 0.07 |
| Feb | 0.99 | 0.87 | 0.12 |
| Mar | 1.97 | 1.83 | 0.14 |
| Apr | 2.76 | 2.67 | 0.09 |
| May | 2.59 | 2.62 | -0.03 |
| Jun | 1.84 | 1.89 | -0.05 |
| Jul | 2.41 | 2.31 | 0.10 |
| Aug | 2.40 | 2.48 | -0.08 |
| Sep | 1.67 | 1.68 | -0.01 |
| Oct | 1.32 | 1.33 | -0.01 |
| Nov | 0.97 | 0.92 | 0.05 |
| Dec | 0.79 | 0.77 | 0.02 |
20.48 | 20.07 | 0.41 |