| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.60 | -0.06 |
| Feb | 0.69 | 0.70 | -0.01 |
| Mar | 1.45 | 1.41 | 0.04 |
| Apr | 1.95 | 1.96 | -0.01 |
| May | 3.39 | 3.49 | -0.10 |
| Jun | 3.36 | 3.35 | 0.01 |
| Jul | 3.66 | 3.63 | 0.03 |
| Aug | 3.20 | 3.15 | 0.05 |
| Sep | 1.76 | 1.66 | 0.10 |
| Oct | 1.94 | 1.92 | 0.02 |
| Nov | 0.78 | 0.75 | 0.03 |
| Dec | 0.85 | 0.89 | -0.04 |
23.57 | 23.51 | 0.06 |