| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.64 | -0.03 |
| Feb | 3.34 | 3.35 | -0.01 |
| Mar | 3.59 | 3.48 | 0.11 |
| Apr | 3.03 | 3.04 | -0.01 |
| May | 3.77 | 3.82 | -0.05 |
| Jun | 4.34 | 4.45 | -0.11 |
| Jul | 5.11 | 5.45 | -0.34 |
| Aug | 5.24 | 5.07 | 0.17 |
| Sep | 4.76 | 5.04 | -0.28 |
| Oct | 3.41 | 3.36 | 0.05 |
| Nov | 3.01 | 2.92 | 0.09 |
| Dec | 3.78 | 3.81 | -0.03 |
46.99 | 47.43 | -0.44 |