| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.94 | -0.01 |
| Feb | 0.88 | 0.93 | -0.05 |
| Mar | 1.28 | 1.32 | -0.04 |
| Apr | 1.33 | 1.43 | -0.10 |
| May | 1.40 | 1.46 | -0.06 |
| Jun | 0.75 | 0.81 | -0.06 |
| Jul | 1.79 | 1.78 | 0.01 |
| Aug | 1.86 | 2.01 | -0.15 |
| Sep | 1.54 | 1.49 | 0.05 |
| Oct | 1.32 | 1.25 | 0.07 |
| Nov | 1.16 | 1.15 | 0.01 |
| Dec | 1.09 | 1.11 | -0.02 |
15.33 | 15.68 | -0.35 |