| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.09 | 4.08 | 0.01 |
| Feb | 3.89 | 3.85 | 0.04 |
| Mar | 3.04 | 2.66 | 0.38 |
| Apr | 1.40 | 1.43 | -0.03 |
| May | 0.62 | 0.63 | -0.01 |
| Jun | 0.12 | 0.17 | -0.05 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.03 | -0.01 |
| Sep | 0.08 | 0.05 | 0.03 |
| Oct | 0.94 | 0.82 | 0.12 |
| Nov | 1.99 | 1.92 | 0.07 |
| Dec | 4.10 | 3.82 | 0.28 |
20.29 | 19.46 | 0.83 |