| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 3.11 | -0.22 |
| Feb | 2.47 | 2.54 | -0.07 |
| Mar | 3.17 | 3.25 | -0.08 |
| Apr | 3.37 | 3.39 | -0.02 |
| May | 3.88 | 3.93 | -0.05 |
| Jun | 4.10 | 4.23 | -0.13 |
| Jul | 4.21 | 4.07 | 0.14 |
| Aug | 3.57 | 3.39 | 0.18 |
| Sep | 3.36 | 3.37 | -0.01 |
| Oct | 2.89 | 2.95 | -0.06 |
| Nov | 2.75 | 2.92 | -0.17 |
| Dec | 2.98 | 3.18 | -0.20 |
39.64 | 40.33 | -0.69 |