| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.72 | -0.14 |
| Feb | 2.81 | 2.87 | -0.06 |
| Mar | 3.91 | 3.94 | -0.03 |
| Apr | 3.69 | 3.75 | -0.06 |
| May | 4.77 | 4.88 | -0.11 |
| Jun | 3.68 | 3.65 | 0.03 |
| Jul | 2.24 | 2.18 | 0.06 |
| Aug | 2.29 | 2.25 | 0.04 |
| Sep | 3.12 | 3.09 | 0.03 |
| Oct | 4.79 | 4.68 | 0.11 |
| Nov | 3.12 | 3.27 | -0.15 |
| Dec | 3.29 | 3.40 | -0.11 |
40.29 | 40.68 | -0.39 |