| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 0.92 | 0.10 |
| Feb | 0.88 | 0.82 | 0.06 |
| Mar | 1.01 | 1.14 | -0.13 |
| Apr | 0.92 | 0.97 | -0.05 |
| May | 1.20 | 1.08 | 0.12 |
| Jun | 1.24 | 1.18 | 0.06 |
| Jul | 3.41 | 3.38 | 0.03 |
| Aug | 3.10 | 3.09 | 0.01 |
| Sep | 1.87 | 1.94 | -0.07 |
| Oct | 1.52 | 1.65 | -0.13 |
| Nov | 1.10 | 1.07 | 0.03 |
| Dec | 1.06 | 0.99 | 0.07 |
18.33 | 18.23 | 0.10 |