| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.09 | -0.07 |
| Feb | 1.47 | 1.46 | 0.01 |
| Mar | 2.72 | 2.61 | 0.11 |
| Apr | 3.92 | 3.87 | 0.05 |
| May | 5.79 | 5.92 | -0.13 |
| Jun | 5.33 | 5.27 | 0.06 |
| Jul | 4.06 | 4.02 | 0.04 |
| Aug | 3.96 | 3.98 | -0.02 |
| Sep | 3.27 | 3.08 | 0.19 |
| Oct | 3.49 | 3.31 | 0.18 |
| Nov | 1.96 | 2.03 | -0.07 |
| Dec | 1.54 | 1.53 | 0.01 |
38.53 | 38.17 | 0.36 |