| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.73 | -0.06 |
| Feb | 0.68 | 0.81 | -0.13 |
| Mar | 1.39 | 1.68 | -0.29 |
| Apr | 2.20 | 2.82 | -0.62 |
| May | 2.14 | 2.30 | -0.16 |
| Jun | 1.75 | 1.82 | -0.07 |
| Jul | 2.45 | 2.38 | 0.07 |
| Aug | 2.15 | 2.40 | -0.25 |
| Sep | 1.33 | 1.41 | -0.08 |
| Oct | 1.06 | 1.28 | -0.22 |
| Nov | 0.78 | 1.02 | -0.24 |
| Dec | 0.66 | 0.83 | -0.17 |
17.26 | 19.48 | -2.22 |