| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.49 | 0.06 |
| Feb | 0.79 | 0.78 | 0.01 |
| Mar | 1.44 | 1.38 | 0.06 |
| Apr | 3.07 | 3.10 | -0.03 |
| May | 3.99 | 4.02 | -0.03 |
| Jun | 3.75 | 4.05 | -0.30 |
| Jul | 3.13 | 3.26 | -0.13 |
| Aug | 3.35 | 3.48 | -0.13 |
| Sep | 2.53 | 2.41 | 0.12 |
| Oct | 2.29 | 2.27 | 0.02 |
| Nov | 1.00 | 0.97 | 0.03 |
| Dec | 0.68 | 0.73 | -0.05 |
26.57 | 26.94 | -0.37 |