| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.70 | 0.01 |
| Feb | 0.79 | 0.79 | 0.00 |
| Mar | 1.43 | 1.40 | 0.03 |
| Apr | 2.56 | 2.57 | -0.01 |
| May | 3.39 | 3.36 | 0.03 |
| Jun | 4.56 | 4.69 | -0.13 |
| Jul | 3.84 | 3.94 | -0.10 |
| Aug | 3.74 | 4.06 | -0.32 |
| Sep | 2.91 | 2.94 | -0.03 |
| Oct | 2.33 | 2.47 | -0.14 |
| Nov | 1.32 | 1.31 | 0.01 |
| Dec | 0.87 | 0.90 | -0.03 |
28.45 | 29.13 | -0.68 |