| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.61 | -0.03 |
| Feb | 0.67 | 0.62 | 0.05 |
| Mar | 1.46 | 1.38 | 0.08 |
| Apr | 1.97 | 1.95 | 0.02 |
| May | 3.27 | 3.23 | 0.04 |
| Jun | 3.61 | 3.38 | 0.23 |
| Jul | 3.44 | 3.34 | 0.10 |
| Aug | 3.14 | 3.16 | -0.02 |
| Sep | 1.66 | 1.59 | 0.07 |
| Oct | 2.07 | 1.96 | 0.11 |
| Nov | 0.87 | 0.78 | 0.09 |
| Dec | 0.91 | 0.87 | 0.04 |
23.65 | 22.87 | 0.78 |