| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.34 | 2.44 | -0.10 |
| Feb | 1.95 | 2.05 | -0.10 |
| Mar | 2.71 | 2.69 | 0.02 |
| Apr | 3.94 | 3.91 | 0.03 |
| May | 4.32 | 4.35 | -0.03 |
| Jun | 4.94 | 4.81 | 0.13 |
| Jul | 4.47 | 4.36 | 0.11 |
| Aug | 3.60 | 3.47 | 0.13 |
| Sep | 3.06 | 2.96 | 0.10 |
| Oct | 3.08 | 3.03 | 0.05 |
| Nov | 2.95 | 3.00 | -0.05 |
| Dec | 2.44 | 2.41 | 0.03 |
39.80 | 39.48 | 0.32 |