| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.41 | -0.01 |
| Feb | 0.45 | 0.50 | -0.05 |
| Mar | 1.09 | 1.26 | -0.17 |
| Apr | 1.97 | 2.01 | -0.04 |
| May | 2.48 | 2.78 | -0.30 |
| Jun | 1.74 | 1.70 | 0.04 |
| Jul | 1.56 | 1.48 | 0.08 |
| Aug | 1.35 | 1.39 | -0.04 |
| Sep | 1.32 | 1.31 | 0.01 |
| Oct | 1.11 | 1.23 | -0.12 |
| Nov | 0.68 | 0.74 | -0.06 |
| Dec | 0.41 | 0.51 | -0.10 |
14.56 | 15.32 | -0.76 |