| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.56 | -0.31 |
| Feb | 2.73 | 2.98 | -0.25 |
| Mar | 3.06 | 3.33 | -0.27 |
| Apr | 3.48 | 3.56 | -0.08 |
| May | 3.56 | 3.61 | -0.05 |
| Jun | 3.91 | 3.94 | -0.03 |
| Jul | 3.86 | 3.92 | -0.06 |
| Aug | 3.60 | 3.82 | -0.22 |
| Sep | 3.64 | 3.66 | -0.02 |
| Oct | 4.34 | 4.46 | -0.12 |
| Nov | 3.66 | 3.91 | -0.25 |
| Dec | 3.61 | 3.94 | -0.33 |
42.70 | 44.69 | -1.99 |