| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 2.97 | -0.03 |
| Feb | 2.40 | 2.43 | -0.03 |
| Mar | 3.06 | 2.99 | 0.07 |
| Apr | 3.40 | 3.39 | 0.01 |
| May | 4.51 | 4.57 | -0.06 |
| Jun | 3.96 | 3.93 | 0.03 |
| Jul | 1.99 | 2.08 | -0.09 |
| Aug | 3.08 | 2.81 | 0.27 |
| Sep | 3.47 | 3.47 | 0.00 |
| Oct | 4.46 | 4.41 | 0.05 |
| Nov | 3.29 | 3.41 | -0.12 |
| Dec | 2.98 | 3.00 | -0.02 |
39.54 | 39.46 | 0.08 |