| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.01 | 2.06 | -0.05 |
| Feb | 1.73 | 1.88 | -0.15 |
| Mar | 2.28 | 2.37 | -0.09 |
| Apr | 3.79 | 3.86 | -0.07 |
| May | 4.49 | 4.59 | -0.10 |
| Jun | 4.43 | 4.46 | -0.03 |
| Jul | 4.05 | 4.11 | -0.06 |
| Aug | 3.98 | 3.89 | 0.09 |
| Sep | 3.18 | 3.27 | -0.09 |
| Oct | 3.33 | 3.35 | -0.02 |
| Nov | 2.56 | 2.53 | 0.03 |
| Dec | 2.09 | 2.15 | -0.06 |
37.92 | 38.52 | -0.60 |