| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.00 | -0.07 |
| Feb | 2.31 | 2.38 | -0.07 |
| Mar | 3.31 | 3.39 | -0.08 |
| Apr | 3.95 | 3.92 | 0.03 |
| May | 4.33 | 4.21 | 0.12 |
| Jun | 4.66 | 4.66 | 0.00 |
| Jul | 4.48 | 4.41 | 0.07 |
| Aug | 3.69 | 3.54 | 0.15 |
| Sep | 3.35 | 3.29 | 0.06 |
| Oct | 2.93 | 2.90 | 0.03 |
| Nov | 2.95 | 2.89 | 0.06 |
| Dec | 3.02 | 3.06 | -0.04 |
41.91 | 41.65 | 0.26 |