| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.36 | -0.06 |
| Feb | 1.78 | 1.81 | -0.03 |
| Mar | 2.15 | 2.22 | -0.07 |
| Apr | 3.49 | 3.73 | -0.24 |
| May | 3.57 | 3.72 | -0.15 |
| Jun | 3.44 | 3.44 | 0.00 |
| Jul | 3.08 | 3.03 | 0.05 |
| Aug | 3.25 | 3.24 | 0.01 |
| Sep | 3.10 | 3.18 | -0.08 |
| Oct | 4.00 | 3.97 | 0.03 |
| Nov | 3.10 | 3.07 | 0.03 |
| Dec | 2.38 | 2.48 | -0.10 |
35.64 | 36.25 | -0.61 |