| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.08 | 2.33 | -0.25 |
| Feb | 2.11 | 2.20 | -0.09 |
| Mar | 3.16 | 3.36 | -0.20 |
| Apr | 4.52 | 4.85 | -0.33 |
| May | 5.11 | 5.54 | -0.43 |
| Jun | 4.15 | 4.46 | -0.31 |
| Jul | 3.98 | 4.13 | -0.15 |
| Aug | 4.01 | 4.08 | -0.07 |
| Sep | 3.81 | 3.98 | -0.17 |
| Oct | 3.33 | 3.31 | 0.02 |
| Nov | 3.24 | 3.27 | -0.03 |
| Dec | 2.32 | 2.47 | -0.15 |
41.82 | 43.98 | -2.16 |