| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.50 | 0.14 |
| Feb | 3.09 | 2.97 | 0.12 |
| Mar | 3.82 | 3.78 | 0.04 |
| Apr | 3.43 | 3.47 | -0.04 |
| May | 3.69 | 3.62 | 0.07 |
| Jun | 4.69 | 4.34 | 0.35 |
| Jul | 5.22 | 5.47 | -0.25 |
| Aug | 5.03 | 5.27 | -0.24 |
| Sep | 5.29 | 5.27 | 0.02 |
| Oct | 3.29 | 3.37 | -0.08 |
| Nov | 3.41 | 3.33 | 0.08 |
| Dec | 3.44 | 3.36 | 0.08 |
48.04 | 47.75 | 0.29 |