| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.83 | -0.02 |
| Feb | 2.21 | 2.18 | 0.03 |
| Mar | 2.76 | 2.73 | 0.03 |
| Apr | 3.81 | 3.81 | 0.00 |
| May | 4.15 | 4.13 | 0.02 |
| Jun | 4.46 | 4.38 | 0.08 |
| Jul | 3.92 | 4.10 | -0.18 |
| Aug | 3.46 | 3.41 | 0.05 |
| Sep | 3.39 | 3.30 | 0.09 |
| Oct | 3.09 | 2.92 | 0.17 |
| Nov | 3.06 | 2.85 | 0.21 |
| Dec | 2.85 | 2.79 | 0.06 |
39.97 | 39.43 | 0.54 |