| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.46 | 0.05 |
| Feb | 3.23 | 3.21 | 0.02 |
| Mar | 3.48 | 3.60 | -0.12 |
| Apr | 3.19 | 3.44 | -0.25 |
| May | 3.50 | 3.60 | -0.10 |
| Jun | 5.98 | 6.21 | -0.23 |
| Jul | 5.68 | 5.70 | -0.02 |
| Aug | 5.80 | 5.87 | -0.07 |
| Sep | 4.55 | 4.58 | -0.03 |
| Oct | 3.42 | 3.82 | -0.40 |
| Nov | 2.31 | 2.59 | -0.28 |
| Dec | 3.14 | 3.41 | -0.27 |
47.79 | 49.49 | -1.70 |