| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.75 | -0.07 |
| Feb | 2.24 | 2.27 | -0.03 |
| Mar | 2.89 | 2.90 | -0.01 |
| Apr | 3.88 | 3.90 | -0.02 |
| May | 4.34 | 4.18 | 0.16 |
| Jun | 4.42 | 4.33 | 0.09 |
| Jul | 4.27 | 4.29 | -0.02 |
| Aug | 3.52 | 3.46 | 0.06 |
| Sep | 3.03 | 3.03 | 0.00 |
| Oct | 2.85 | 2.84 | 0.01 |
| Nov | 2.93 | 2.98 | -0.05 |
| Dec | 2.56 | 2.66 | -0.10 |
39.61 | 39.59 | 0.02 |