| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.70 | 0.02 |
| Feb | 1.53 | 1.50 | 0.03 |
| Mar | 1.75 | 1.73 | 0.02 |
| Apr | 3.09 | 2.98 | 0.11 |
| May | 3.17 | 3.20 | -0.03 |
| Jun | 3.31 | 3.49 | -0.18 |
| Jul | 3.42 | 3.13 | 0.29 |
| Aug | 3.32 | 3.16 | 0.16 |
| Sep | 2.75 | 2.75 | 0.00 |
| Oct | 3.07 | 3.07 | 0.00 |
| Nov | 2.28 | 2.38 | -0.10 |
| Dec | 1.92 | 1.83 | 0.09 |
31.33 | 30.92 | 0.41 |