| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.70 | 0.02 |
| Feb | 0.71 | 0.75 | -0.04 |
| Mar | 1.62 | 1.54 | 0.08 |
| Apr | 2.02 | 2.22 | -0.20 |
| May | 3.31 | 3.30 | 0.01 |
| Jun | 3.24 | 3.38 | -0.14 |
| Jul | 2.43 | 2.45 | -0.02 |
| Aug | 2.89 | 2.97 | -0.08 |
| Sep | 2.00 | 2.08 | -0.08 |
| Oct | 2.22 | 2.17 | 0.05 |
| Nov | 0.98 | 0.96 | 0.02 |
| Dec | 0.97 | 0.91 | 0.06 |
23.11 | 23.43 | -0.32 |