| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.49 | -0.04 |
| Feb | 1.42 | 1.45 | -0.03 |
| Mar | 2.34 | 2.32 | 0.02 |
| Apr | 2.08 | 2.23 | -0.15 |
| May | 3.84 | 4.15 | -0.31 |
| Jun | 3.16 | 3.35 | -0.19 |
| Jul | 2.50 | 2.53 | -0.03 |
| Aug | 2.15 | 2.43 | -0.28 |
| Sep | 3.32 | 3.72 | -0.40 |
| Oct | 3.03 | 3.15 | -0.12 |
| Nov | 1.89 | 2.02 | -0.13 |
| Dec | 1.41 | 1.55 | -0.14 |
28.59 | 30.39 | -1.80 |