| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.67 | -0.20 |
| Feb | 3.33 | 3.48 | -0.15 |
| Mar | 4.28 | 4.41 | -0.13 |
| Apr | 4.06 | 4.32 | -0.26 |
| May | 4.94 | 5.35 | -0.41 |
| Jun | 4.54 | 4.59 | -0.05 |
| Jul | 5.44 | 5.71 | -0.27 |
| Aug | 3.94 | 4.11 | -0.17 |
| Sep | 3.33 | 3.47 | -0.14 |
| Oct | 3.14 | 3.17 | -0.03 |
| Nov | 3.08 | 3.14 | -0.06 |
| Dec | 4.02 | 4.14 | -0.12 |
47.57 | 49.56 | -1.99 |