| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 3.26 | -0.42 |
| Feb | 2.21 | 2.48 | -0.27 |
| Mar | 2.91 | 3.07 | -0.16 |
| Apr | 3.59 | 3.76 | -0.17 |
| May | 3.68 | 3.75 | -0.07 |
| Jun | 3.91 | 3.79 | 0.12 |
| Jul | 3.95 | 3.96 | -0.01 |
| Aug | 3.65 | 3.86 | -0.21 |
| Sep | 4.01 | 3.97 | 0.04 |
| Oct | 3.78 | 4.22 | -0.44 |
| Nov | 3.46 | 3.69 | -0.23 |
| Dec | 3.06 | 3.52 | -0.46 |
41.05 | 43.33 | -2.28 |