| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.25 | 0.28 | -0.03 |
| Feb | 0.41 | 0.47 | -0.06 |
| Mar | 0.85 | 0.95 | -0.10 |
| Apr | 1.78 | 1.88 | -0.10 |
| May | 2.85 | 2.81 | 0.04 |
| Jun | 2.87 | 2.93 | -0.06 |
| Jul | 2.56 | 2.34 | 0.22 |
| Aug | 2.00 | 2.01 | -0.01 |
| Sep | 1.45 | 1.49 | -0.04 |
| Oct | 1.12 | 1.17 | -0.05 |
| Nov | 0.47 | 0.51 | -0.04 |
| Dec | 0.35 | 0.41 | -0.06 |
16.96 | 17.25 | -0.29 |