| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.36 | 0.00 |
| Feb | 0.42 | 0.43 | -0.01 |
| Mar | 0.82 | 0.88 | -0.06 |
| Apr | 1.57 | 1.64 | -0.07 |
| May | 2.49 | 2.52 | -0.03 |
| Jun | 2.43 | 2.54 | -0.11 |
| Jul | 3.13 | 3.15 | -0.02 |
| Aug | 2.74 | 2.92 | -0.18 |
| Sep | 1.09 | 1.10 | -0.01 |
| Oct | 1.05 | 1.18 | -0.13 |
| Nov | 0.47 | 0.48 | -0.01 |
| Dec | 0.39 | 0.45 | -0.06 |
16.96 | 17.65 | -0.69 |