| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.52 | -0.09 |
| Feb | 1.47 | 1.38 | 0.09 |
| Mar | 2.17 | 2.27 | -0.10 |
| Apr | 2.20 | 2.25 | -0.05 |
| May | 3.62 | 3.72 | -0.10 |
| Jun | 3.06 | 3.02 | 0.04 |
| Jul | 2.50 | 2.36 | 0.14 |
| Aug | 2.06 | 2.25 | -0.19 |
| Sep | 3.24 | 3.31 | -0.07 |
| Oct | 2.64 | 2.69 | -0.05 |
| Nov | 1.91 | 1.73 | 0.18 |
| Dec | 1.50 | 1.39 | 0.11 |
27.80 | 27.89 | -0.09 |