| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 3.06 | -0.17 |
| Feb | 2.36 | 2.40 | -0.04 |
| Mar | 3.44 | 3.47 | -0.03 |
| Apr | 3.96 | 3.98 | -0.02 |
| May | 4.26 | 4.16 | 0.10 |
| Jun | 4.38 | 4.47 | -0.09 |
| Jul | 4.35 | 4.53 | -0.18 |
| Aug | 3.66 | 3.53 | 0.13 |
| Sep | 3.26 | 3.25 | 0.01 |
| Oct | 2.89 | 2.92 | -0.03 |
| Nov | 2.85 | 2.89 | -0.04 |
| Dec | 3.01 | 3.09 | -0.08 |
41.31 | 41.75 | -0.44 |