| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.21 | -0.02 |
| Feb | 2.66 | 2.52 | 0.14 |
| Mar | 3.41 | 3.35 | 0.06 |
| Apr | 3.51 | 3.27 | 0.24 |
| May | 4.24 | 4.16 | 0.08 |
| Jun | 4.28 | 4.29 | -0.01 |
| Jul | 3.97 | 3.90 | 0.07 |
| Aug | 3.71 | 3.49 | 0.22 |
| Sep | 3.38 | 3.37 | 0.01 |
| Oct | 2.96 | 2.96 | 0.00 |
| Nov | 2.85 | 2.95 | -0.10 |
| Dec | 3.17 | 3.17 | 0.00 |
41.33 | 40.64 | 0.69 |