| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.22 | -0.10 |
| Feb | 1.48 | 1.60 | -0.12 |
| Mar | 2.37 | 2.50 | -0.13 |
| Apr | 3.90 | 4.11 | -0.21 |
| May | 5.31 | 5.40 | -0.09 |
| Jun | 5.10 | 5.45 | -0.35 |
| Jul | 4.47 | 4.50 | -0.03 |
| Aug | 4.41 | 4.44 | -0.03 |
| Sep | 3.83 | 4.25 | -0.42 |
| Oct | 3.23 | 3.38 | -0.15 |
| Nov | 2.07 | 2.19 | -0.12 |
| Dec | 1.55 | 1.68 | -0.13 |
38.84 | 40.72 | -1.88 |