| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 5.08 | -0.06 |
| Feb | 3.81 | 3.82 | -0.01 |
| Mar | 3.82 | 3.73 | 0.09 |
| Apr | 2.89 | 3.15 | -0.26 |
| May | 2.06 | 2.17 | -0.11 |
| Jun | 0.99 | 1.08 | -0.09 |
| Jul | 0.28 | 0.30 | -0.02 |
| Aug | 0.30 | 0.30 | 0.00 |
| Sep | 0.87 | 0.83 | 0.04 |
| Oct | 2.43 | 2.35 | 0.08 |
| Nov | 4.91 | 4.97 | -0.06 |
| Dec | 6.40 | 6.66 | -0.26 |
33.78 | 34.44 | -0.66 |