| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 2.98 | -0.07 |
| Feb | 2.26 | 2.34 | -0.08 |
| Mar | 3.18 | 3.27 | -0.09 |
| Apr | 3.90 | 3.91 | -0.01 |
| May | 4.32 | 4.21 | 0.11 |
| Jun | 4.69 | 4.64 | 0.05 |
| Jul | 4.46 | 4.29 | 0.17 |
| Aug | 3.61 | 3.49 | 0.12 |
| Sep | 3.30 | 3.21 | 0.09 |
| Oct | 2.90 | 2.87 | 0.03 |
| Nov | 2.97 | 2.89 | 0.08 |
| Dec | 2.98 | 3.02 | -0.04 |
41.48 | 41.12 | 0.36 |