| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.45 | 2.55 | -0.10 |
| Feb | 2.44 | 2.45 | -0.01 |
| Mar | 3.97 | 4.01 | -0.04 |
| Apr | 4.56 | 4.69 | -0.13 |
| May | 5.73 | 5.69 | 0.04 |
| Jun | 4.45 | 4.40 | 0.05 |
| Jul | 3.99 | 4.03 | -0.04 |
| Aug | 3.33 | 3.23 | 0.10 |
| Sep | 4.32 | 4.39 | -0.07 |
| Oct | 3.54 | 3.37 | 0.17 |
| Nov | 3.60 | 3.77 | -0.17 |
| Dec | 2.78 | 2.85 | -0.07 |
45.16 | 45.43 | -0.27 |