| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.85 | -0.09 |
| Feb | 0.71 | 0.72 | -0.01 |
| Mar | 1.13 | 1.14 | -0.01 |
| Apr | 1.85 | 1.96 | -0.11 |
| May | 3.00 | 3.08 | -0.08 |
| Jun | 4.45 | 4.38 | 0.07 |
| Jul | 3.92 | 4.07 | -0.15 |
| Aug | 3.30 | 3.34 | -0.04 |
| Sep | 2.96 | 3.17 | -0.21 |
| Oct | 2.62 | 2.68 | -0.06 |
| Nov | 1.33 | 1.41 | -0.08 |
| Dec | 0.99 | 1.09 | -0.10 |
27.02 | 27.89 | -0.87 |