| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 1.91 | -0.02 |
| Feb | 1.69 | 1.83 | -0.14 |
| Mar | 2.21 | 2.31 | -0.10 |
| Apr | 3.70 | 3.78 | -0.08 |
| May | 4.62 | 4.50 | 0.12 |
| Jun | 4.44 | 4.40 | 0.04 |
| Jul | 4.05 | 3.95 | 0.10 |
| Aug | 4.03 | 3.72 | 0.31 |
| Sep | 3.25 | 3.31 | -0.06 |
| Oct | 3.25 | 3.31 | -0.06 |
| Nov | 2.50 | 2.47 | 0.03 |
| Dec | 2.03 | 2.06 | -0.03 |
37.66 | 37.55 | 0.11 |