| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.56 | -0.01 |
| Feb | 2.15 | 2.17 | -0.02 |
| Mar | 2.45 | 2.42 | 0.03 |
| Apr | 3.69 | 3.65 | 0.04 |
| May | 4.34 | 4.27 | 0.07 |
| Jun | 4.40 | 4.28 | 0.12 |
| Jul | 4.07 | 4.10 | -0.03 |
| Aug | 3.97 | 3.95 | 0.02 |
| Sep | 3.18 | 3.11 | 0.07 |
| Oct | 3.14 | 3.15 | -0.01 |
| Nov | 2.89 | 2.92 | -0.03 |
| Dec | 2.38 | 2.39 | -0.01 |
39.21 | 38.97 | 0.24 |