| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.26 | 0.26 | 0.00 |
| Feb | 0.38 | 0.42 | -0.04 |
| Mar | 0.73 | 0.72 | 0.01 |
| Apr | 1.49 | 1.51 | -0.02 |
| May | 2.10 | 2.05 | 0.05 |
| Jun | 2.09 | 2.03 | 0.06 |
| Jul | 3.06 | 2.89 | 0.17 |
| Aug | 2.57 | 2.43 | 0.14 |
| Sep | 0.90 | 0.86 | 0.04 |
| Oct | 1.11 | 1.13 | -0.02 |
| Nov | 0.41 | 0.39 | 0.02 |
| Dec | 0.33 | 0.36 | -0.03 |
15.43 | 15.05 | 0.38 |