| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 3.03 | -0.14 |
| Feb | 2.45 | 2.50 | -0.05 |
| Mar | 3.14 | 3.14 | 0.00 |
| Apr | 3.40 | 3.46 | -0.06 |
| May | 3.82 | 3.84 | -0.02 |
| Jun | 4.03 | 4.16 | -0.13 |
| Jul | 4.17 | 4.07 | 0.10 |
| Aug | 3.52 | 3.26 | 0.26 |
| Sep | 3.46 | 3.47 | -0.01 |
| Oct | 2.91 | 2.88 | 0.03 |
| Nov | 2.75 | 2.81 | -0.06 |
| Dec | 2.91 | 2.98 | -0.07 |
39.45 | 39.60 | -0.15 |