| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.31 | 2.38 | -0.07 |
| Feb | 1.93 | 2.05 | -0.12 |
| Mar | 2.70 | 2.67 | 0.03 |
| Apr | 3.98 | 3.92 | 0.06 |
| May | 4.33 | 4.32 | 0.01 |
| Jun | 4.91 | 4.88 | 0.03 |
| Jul | 4.48 | 4.37 | 0.11 |
| Aug | 3.56 | 3.52 | 0.04 |
| Sep | 3.03 | 2.99 | 0.04 |
| Oct | 3.12 | 3.05 | 0.07 |
| Nov | 2.94 | 2.97 | -0.03 |
| Dec | 2.41 | 2.39 | 0.02 |
39.70 | 39.51 | 0.19 |