| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.25 | 0.01 |
| Feb | 2.98 | 3.03 | -0.05 |
| Mar | 3.72 | 3.55 | 0.17 |
| Apr | 3.95 | 3.59 | 0.36 |
| May | 3.77 | 3.38 | 0.39 |
| Jun | 4.22 | 3.82 | 0.40 |
| Jul | 4.18 | 3.94 | 0.24 |
| Aug | 3.75 | 3.61 | 0.14 |
| Sep | 3.76 | 3.36 | 0.40 |
| Oct | 4.97 | 4.66 | 0.31 |
| Nov | 3.94 | 3.70 | 0.24 |
| Dec | 4.25 | 4.07 | 0.18 |
46.75 | 43.96 | 2.79 |