| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.36 | 1.41 | -0.05 |
| Feb | 1.28 | 1.31 | -0.03 |
| Mar | 2.19 | 2.27 | -0.08 |
| Apr | 2.00 | 2.07 | -0.07 |
| May | 3.80 | 3.99 | -0.19 |
| Jun | 3.07 | 3.11 | -0.04 |
| Jul | 2.38 | 2.47 | -0.09 |
| Aug | 2.07 | 2.36 | -0.29 |
| Sep | 3.28 | 3.53 | -0.25 |
| Oct | 2.83 | 2.79 | 0.04 |
| Nov | 1.81 | 1.81 | 0.00 |
| Dec | 1.31 | 1.44 | -0.13 |
27.38 | 28.56 | -1.18 |