| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.12 | -0.07 |
| Feb | 2.36 | 2.38 | -0.02 |
| Mar | 3.39 | 3.44 | -0.05 |
| Apr | 4.25 | 4.21 | 0.04 |
| May | 4.57 | 4.43 | 0.14 |
| Jun | 4.37 | 4.48 | -0.11 |
| Jul | 4.11 | 4.11 | 0.00 |
| Aug | 3.16 | 3.17 | -0.01 |
| Sep | 3.10 | 2.99 | 0.11 |
| Oct | 2.89 | 2.88 | 0.01 |
| Nov | 3.02 | 2.96 | 0.06 |
| Dec | 3.04 | 3.04 | 0.00 |
41.31 | 41.21 | 0.10 |