| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.70 | -0.02 |
| Feb | 0.78 | 0.82 | -0.04 |
| Mar | 1.48 | 1.51 | -0.03 |
| Apr | 2.49 | 2.54 | -0.05 |
| May | 4.57 | 4.67 | -0.10 |
| Jun | 3.96 | 4.06 | -0.10 |
| Jul | 4.01 | 4.03 | -0.02 |
| Aug | 3.33 | 3.39 | -0.06 |
| Sep | 2.47 | 2.52 | -0.05 |
| Oct | 2.16 | 2.15 | 0.01 |
| Nov | 1.25 | 1.24 | 0.01 |
| Dec | 0.94 | 0.97 | -0.03 |
28.12 | 28.60 | -0.48 |