| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.33 | -0.18 |
| Feb | 2.47 | 2.42 | 0.05 |
| Mar | 3.26 | 3.12 | 0.14 |
| Apr | 3.82 | 3.83 | -0.01 |
| May | 3.94 | 3.89 | 0.05 |
| Jun | 4.72 | 4.65 | 0.07 |
| Jul | 4.31 | 4.47 | -0.16 |
| Aug | 3.90 | 3.81 | 0.09 |
| Sep | 4.10 | 4.15 | -0.05 |
| Oct | 3.94 | 3.90 | 0.04 |
| Nov | 3.34 | 3.36 | -0.02 |
| Dec | 3.44 | 3.47 | -0.03 |
44.39 | 44.40 | -0.01 |