| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.54 | -0.11 |
| Feb | 2.76 | 2.83 | -0.07 |
| Mar | 4.11 | 4.22 | -0.11 |
| Apr | 3.72 | 3.72 | 0.00 |
| May | 3.97 | 3.95 | 0.02 |
| Jun | 4.25 | 4.20 | 0.05 |
| Jul | 4.80 | 4.73 | 0.07 |
| Aug | 4.49 | 4.78 | -0.29 |
| Sep | 4.52 | 4.44 | 0.08 |
| Oct | 4.07 | 4.09 | -0.02 |
| Nov | 3.36 | 3.27 | 0.09 |
| Dec | 4.33 | 4.41 | -0.08 |
47.81 | 48.18 | -0.37 |