| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.68 | -0.08 |
| Feb | 2.25 | 2.39 | -0.14 |
| Mar | 2.70 | 3.03 | -0.33 |
| Apr | 3.14 | 3.17 | -0.03 |
| May | 3.32 | 3.17 | 0.15 |
| Jun | 3.96 | 3.91 | 0.05 |
| Jul | 4.28 | 4.20 | 0.08 |
| Aug | 3.70 | 3.44 | 0.26 |
| Sep | 3.33 | 3.33 | 0.00 |
| Oct | 4.08 | 4.06 | 0.02 |
| Nov | 2.82 | 2.99 | -0.17 |
| Dec | 3.19 | 3.30 | -0.11 |
39.37 | 39.67 | -0.30 |