| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.71 | -0.02 |
| Feb | 0.81 | 0.79 | 0.02 |
| Mar | 1.48 | 1.38 | 0.10 |
| Apr | 2.62 | 2.63 | -0.01 |
| May | 3.70 | 3.79 | -0.09 |
| Jun | 4.33 | 4.25 | 0.08 |
| Jul | 3.77 | 3.73 | 0.04 |
| Aug | 3.89 | 3.99 | -0.10 |
| Sep | 3.08 | 3.04 | 0.04 |
| Oct | 2.38 | 2.41 | -0.03 |
| Nov | 1.37 | 1.31 | 0.06 |
| Dec | 0.92 | 0.96 | -0.04 |
29.04 | 28.99 | 0.05 |