| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.11 | 0.04 |
| Feb | 3.15 | 3.12 | 0.03 |
| Mar | 4.31 | 4.30 | 0.01 |
| Apr | 5.30 | 5.40 | -0.10 |
| May | 5.53 | 5.39 | 0.14 |
| Jun | 3.82 | 3.72 | 0.10 |
| Jul | 4.04 | 3.99 | 0.05 |
| Aug | 3.71 | 3.59 | 0.12 |
| Sep | 3.56 | 3.56 | 0.00 |
| Oct | 3.46 | 3.44 | 0.02 |
| Nov | 4.56 | 4.54 | 0.02 |
| Dec | 3.39 | 3.53 | -0.14 |
47.98 | 47.69 | 0.29 |