| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.28 | 0.35 | -0.07 |
| Feb | 0.46 | 0.51 | -0.05 |
| Mar | 0.92 | 0.97 | -0.05 |
| Apr | 2.07 | 2.16 | -0.09 |
| May | 3.96 | 3.97 | -0.01 |
| Jun | 3.15 | 3.17 | -0.02 |
| Jul | 2.67 | 2.57 | 0.10 |
| Aug | 1.85 | 2.12 | -0.27 |
| Sep | 1.39 | 1.48 | -0.09 |
| Oct | 1.45 | 1.56 | -0.11 |
| Nov | 0.47 | 0.51 | -0.04 |
| Dec | 0.32 | 0.38 | -0.06 |
18.99 | 19.75 | -0.76 |