| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.65 | 0.01 |
| Feb | 0.69 | 0.66 | 0.03 |
| Mar | 1.23 | 1.17 | 0.06 |
| Apr | 2.23 | 2.12 | 0.11 |
| May | 3.31 | 3.38 | -0.07 |
| Jun | 4.35 | 4.22 | 0.13 |
| Jul | 4.30 | 4.16 | 0.14 |
| Aug | 3.29 | 3.06 | 0.23 |
| Sep | 2.99 | 2.74 | 0.25 |
| Oct | 2.65 | 2.65 | 0.00 |
| Nov | 1.17 | 1.05 | 0.12 |
| Dec | 0.82 | 0.79 | 0.03 |
27.69 | 26.65 | 1.04 |