| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 3.47 | 0.44 |
| Feb | 4.34 | 3.87 | 0.47 |
| Mar | 2.76 | 2.82 | -0.06 |
| Apr | 0.84 | 0.78 | 0.06 |
| May | 0.38 | 0.34 | 0.04 |
| Jun | 0.05 | 0.06 | -0.01 |
| Jul | 0.02 | 0.05 | -0.03 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.10 | 0.08 | 0.02 |
| Oct | 0.61 | 0.59 | 0.02 |
| Nov | 1.12 | 0.85 | 0.27 |
| Dec | 3.03 | 2.51 | 0.52 |
17.17 | 15.42 | 1.75 |