| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.38 | -0.04 |
| Feb | 2.52 | 2.64 | -0.12 |
| Mar | 3.39 | 3.40 | -0.01 |
| Apr | 3.99 | 4.11 | -0.12 |
| May | 3.87 | 3.96 | -0.09 |
| Jun | 4.82 | 4.88 | -0.06 |
| Jul | 4.42 | 4.74 | -0.32 |
| Aug | 3.80 | 3.96 | -0.16 |
| Sep | 3.86 | 3.96 | -0.10 |
| Oct | 3.85 | 3.80 | 0.05 |
| Nov | 3.37 | 3.44 | -0.07 |
| Dec | 3.42 | 3.51 | -0.09 |
44.65 | 45.78 | -1.13 |