| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.38 | 0.01 |
| Feb | 0.36 | 0.32 | 0.04 |
| Mar | 0.96 | 0.99 | -0.03 |
| Apr | 1.39 | 1.40 | -0.01 |
| May | 1.92 | 1.82 | 0.10 |
| Jun | 2.61 | 2.16 | 0.45 |
| Jul | 2.99 | 3.06 | -0.07 |
| Aug | 2.97 | 2.95 | 0.02 |
| Sep | 1.23 | 1.38 | -0.15 |
| Oct | 1.47 | 1.59 | -0.12 |
| Nov | 0.47 | 0.41 | 0.06 |
| Dec | 0.55 | 0.66 | -0.11 |
17.31 | 17.12 | 0.19 |