| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.29 | -0.07 |
| Feb | 1.50 | 1.69 | -0.19 |
| Mar | 2.43 | 2.52 | -0.09 |
| Apr | 4.07 | 4.05 | 0.02 |
| May | 5.57 | 5.68 | -0.11 |
| Jun | 5.19 | 5.41 | -0.22 |
| Jul | 4.26 | 4.32 | -0.06 |
| Aug | 4.32 | 4.25 | 0.07 |
| Sep | 4.01 | 4.22 | -0.21 |
| Oct | 3.28 | 3.37 | -0.09 |
| Nov | 2.29 | 2.33 | -0.04 |
| Dec | 1.66 | 1.76 | -0.10 |
39.80 | 40.89 | -1.09 |