| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.50 | -0.30 |
| Feb | 2.19 | 2.22 | -0.03 |
| Mar | 3.36 | 3.48 | -0.12 |
| Apr | 4.48 | 4.89 | -0.41 |
| May | 5.08 | 5.19 | -0.11 |
| Jun | 4.11 | 4.42 | -0.31 |
| Jul | 4.13 | 4.11 | 0.02 |
| Aug | 4.06 | 3.91 | 0.15 |
| Sep | 3.85 | 4.08 | -0.23 |
| Oct | 3.25 | 3.33 | -0.08 |
| Nov | 3.35 | 3.57 | -0.22 |
| Dec | 2.42 | 2.50 | -0.08 |
42.48 | 44.20 | -1.72 |