| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.65 | -0.21 |
| Feb | 2.88 | 3.08 | -0.20 |
| Mar | 3.76 | 3.94 | -0.18 |
| Apr | 3.39 | 3.68 | -0.29 |
| May | 3.79 | 3.79 | 0.00 |
| Jun | 4.44 | 4.41 | 0.03 |
| Jul | 5.48 | 5.45 | 0.03 |
| Aug | 5.27 | 5.35 | -0.08 |
| Sep | 5.03 | 4.89 | 0.14 |
| Oct | 3.89 | 4.21 | -0.32 |
| Nov | 3.08 | 3.45 | -0.37 |
| Dec | 3.27 | 3.64 | -0.37 |
47.72 | 49.54 | -1.82 |