| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.38 | 2.40 | -0.02 |
| Feb | 1.99 | 2.10 | -0.11 |
| Mar | 2.92 | 2.90 | 0.02 |
| Apr | 4.05 | 4.11 | -0.06 |
| May | 4.43 | 4.52 | -0.09 |
| Jun | 4.71 | 4.85 | -0.14 |
| Jul | 4.15 | 4.25 | -0.10 |
| Aug | 3.38 | 3.35 | 0.03 |
| Sep | 3.04 | 3.05 | -0.01 |
| Oct | 3.34 | 3.39 | -0.05 |
| Nov | 3.26 | 3.29 | -0.03 |
| Dec | 2.44 | 2.49 | -0.05 |
40.09 | 40.70 | -0.61 |