| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.35 | 2.60 | -0.25 |
| Feb | 1.98 | 2.08 | -0.10 |
| Mar | 2.20 | 2.30 | -0.10 |
| Apr | 3.44 | 3.45 | -0.01 |
| May | 4.16 | 4.24 | -0.08 |
| Jun | 4.11 | 3.99 | 0.12 |
| Jul | 3.73 | 3.83 | -0.10 |
| Aug | 3.81 | 4.01 | -0.20 |
| Sep | 3.41 | 3.28 | 0.13 |
| Oct | 3.61 | 3.41 | 0.20 |
| Nov | 2.82 | 2.87 | -0.05 |
| Dec | 2.24 | 2.34 | -0.10 |
37.86 | 38.40 | -0.54 |