| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.33 | -0.06 |
| Feb | 1.94 | 2.03 | -0.09 |
| Mar | 2.77 | 2.72 | 0.05 |
| Apr | 4.02 | 4.01 | 0.01 |
| May | 4.39 | 4.47 | -0.08 |
| Jun | 4.68 | 4.73 | -0.05 |
| Jul | 4.24 | 4.30 | -0.06 |
| Aug | 3.46 | 3.43 | 0.03 |
| Sep | 3.09 | 3.15 | -0.06 |
| Oct | 3.30 | 3.29 | 0.01 |
| Nov | 3.14 | 3.09 | 0.05 |
| Dec | 2.35 | 2.38 | -0.03 |
39.65 | 39.93 | -0.28 |