| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.63 | 0.01 |
| Feb | 1.23 | 1.12 | 0.11 |
| Mar | 1.75 | 1.72 | 0.03 |
| Apr | 2.88 | 2.85 | 0.03 |
| May | 3.17 | 3.23 | -0.06 |
| Jun | 3.44 | 3.32 | 0.12 |
| Jul | 3.31 | 3.05 | 0.26 |
| Aug | 3.14 | 3.00 | 0.14 |
| Sep | 3.26 | 3.22 | 0.04 |
| Oct | 3.32 | 3.33 | -0.01 |
| Nov | 2.26 | 2.25 | 0.01 |
| Dec | 1.91 | 1.77 | 0.14 |
31.31 | 30.49 | 0.82 |