| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 3.05 | -0.20 |
| Feb | 2.36 | 2.42 | -0.06 |
| Mar | 3.11 | 3.12 | -0.01 |
| Apr | 3.42 | 3.54 | -0.12 |
| May | 3.76 | 3.82 | -0.06 |
| Jun | 4.16 | 4.19 | -0.03 |
| Jul | 4.06 | 4.02 | 0.04 |
| Aug | 3.56 | 3.40 | 0.16 |
| Sep | 3.54 | 3.51 | 0.03 |
| Oct | 2.89 | 2.94 | -0.05 |
| Nov | 2.76 | 2.89 | -0.13 |
| Dec | 2.92 | 3.03 | -0.11 |
39.39 | 39.93 | -0.54 |