| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.50 | -0.06 |
| Feb | 2.05 | 2.09 | -0.04 |
| Mar | 2.35 | 2.36 | -0.01 |
| Apr | 3.66 | 3.68 | -0.02 |
| May | 4.22 | 4.31 | -0.09 |
| Jun | 4.32 | 4.30 | 0.02 |
| Jul | 4.05 | 3.87 | 0.18 |
| Aug | 3.90 | 3.98 | -0.08 |
| Sep | 3.05 | 2.99 | 0.06 |
| Oct | 3.06 | 3.01 | 0.05 |
| Nov | 2.85 | 2.98 | -0.13 |
| Dec | 2.34 | 2.33 | 0.01 |
38.29 | 38.40 | -0.11 |