| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.56 | -0.22 |
| Feb | 2.97 | 3.10 | -0.13 |
| Mar | 3.58 | 3.68 | -0.10 |
| Apr | 3.84 | 3.91 | -0.07 |
| May | 3.75 | 3.94 | -0.19 |
| Jun | 4.45 | 4.59 | -0.14 |
| Jul | 4.13 | 4.30 | -0.17 |
| Aug | 4.21 | 4.29 | -0.08 |
| Sep | 4.31 | 4.50 | -0.19 |
| Oct | 4.83 | 4.83 | 0.00 |
| Nov | 3.56 | 3.65 | -0.09 |
| Dec | 4.29 | 4.37 | -0.08 |
47.26 | 48.72 | -1.46 |