| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.44 | -0.06 |
| Feb | 0.45 | 0.52 | -0.07 |
| Mar | 0.81 | 0.91 | -0.10 |
| Apr | 1.26 | 1.33 | -0.07 |
| May | 1.51 | 1.53 | -0.02 |
| Jun | 1.13 | 1.12 | 0.01 |
| Jul | 2.41 | 2.65 | -0.24 |
| Aug | 2.28 | 2.68 | -0.40 |
| Sep | 1.23 | 1.32 | -0.09 |
| Oct | 0.78 | 0.81 | -0.03 |
| Nov | 0.44 | 0.53 | -0.09 |
| Dec | 0.40 | 0.46 | -0.06 |
13.08 | 14.30 | -1.22 |