| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.75 | -0.05 |
| Feb | 0.68 | 0.73 | -0.05 |
| Mar | 1.18 | 1.23 | -0.05 |
| Apr | 1.98 | 2.11 | -0.13 |
| May | 3.09 | 3.26 | -0.17 |
| Jun | 4.35 | 4.29 | 0.06 |
| Jul | 4.12 | 4.19 | -0.07 |
| Aug | 3.23 | 3.35 | -0.12 |
| Sep | 3.02 | 3.05 | -0.03 |
| Oct | 2.72 | 2.75 | -0.03 |
| Nov | 1.23 | 1.33 | -0.10 |
| Dec | 0.91 | 0.98 | -0.07 |
27.21 | 28.02 | -0.81 |