| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.33 | -0.08 |
| Feb | 1.10 | 1.22 | -0.12 |
| Mar | 1.83 | 1.85 | -0.02 |
| Apr | 3.24 | 3.37 | -0.13 |
| May | 3.83 | 3.87 | -0.04 |
| Jun | 4.73 | 4.77 | -0.04 |
| Jul | 3.99 | 3.94 | 0.05 |
| Aug | 3.80 | 3.63 | 0.17 |
| Sep | 3.15 | 3.15 | 0.00 |
| Oct | 2.82 | 2.81 | 0.01 |
| Nov | 2.06 | 1.99 | 0.07 |
| Dec | 1.45 | 1.54 | -0.09 |
33.25 | 33.47 | -0.22 |