| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.70 | 0.01 |
| Feb | 0.81 | 0.79 | 0.02 |
| Mar | 1.51 | 1.47 | 0.04 |
| Apr | 2.64 | 2.66 | -0.02 |
| May | 3.69 | 3.82 | -0.13 |
| Jun | 4.30 | 4.32 | -0.02 |
| Jul | 3.91 | 3.84 | 0.07 |
| Aug | 3.96 | 3.99 | -0.03 |
| Sep | 3.01 | 2.99 | 0.02 |
| Oct | 2.46 | 2.51 | -0.05 |
| Nov | 1.39 | 1.33 | 0.06 |
| Dec | 0.92 | 0.95 | -0.03 |
29.31 | 29.37 | -0.06 |