| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.95 | -0.16 |
| Feb | 2.14 | 2.34 | -0.20 |
| Mar | 2.59 | 2.75 | -0.16 |
| Apr | 3.36 | 3.38 | -0.02 |
| May | 3.25 | 3.17 | 0.08 |
| Jun | 3.39 | 3.43 | -0.04 |
| Jul | 3.45 | 3.35 | 0.10 |
| Aug | 3.26 | 3.12 | 0.14 |
| Sep | 3.86 | 3.82 | 0.04 |
| Oct | 3.66 | 3.82 | -0.16 |
| Nov | 3.17 | 3.20 | -0.03 |
| Dec | 3.22 | 3.24 | -0.02 |
38.14 | 38.57 | -0.43 |