| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.59 | 0.25 |
| Feb | 3.28 | 3.24 | 0.04 |
| Mar | 4.37 | 4.30 | 0.07 |
| Apr | 4.29 | 4.25 | 0.04 |
| May | 3.79 | 3.75 | 0.04 |
| Jun | 4.56 | 4.69 | -0.13 |
| Jul | 4.17 | 4.11 | 0.06 |
| Aug | 4.56 | 4.57 | -0.01 |
| Sep | 4.37 | 4.28 | 0.09 |
| Oct | 5.00 | 4.88 | 0.12 |
| Nov | 4.00 | 3.88 | 0.12 |
| Dec | 4.65 | 4.56 | 0.09 |
50.88 | 50.10 | 0.78 |