| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.10 | 1.08 | 0.02 |
| Feb | 1.07 | 1.09 | -0.02 |
| Mar | 1.90 | 1.85 | 0.05 |
| Apr | 3.73 | 3.74 | -0.01 |
| May | 4.58 | 4.42 | 0.16 |
| Jun | 5.09 | 4.71 | 0.38 |
| Jul | 4.25 | 4.34 | -0.09 |
| Aug | 4.25 | 4.23 | 0.02 |
| Sep | 3.79 | 3.82 | -0.03 |
| Oct | 2.63 | 2.65 | -0.02 |
| Nov | 1.84 | 1.82 | 0.02 |
| Dec | 1.32 | 1.31 | 0.01 |
35.55 | 35.06 | 0.49 |