| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.64 | -0.07 |
| Feb | 3.12 | 3.23 | -0.11 |
| Mar | 4.22 | 4.29 | -0.07 |
| Apr | 4.26 | 4.43 | -0.17 |
| May | 3.88 | 3.90 | -0.02 |
| Jun | 4.28 | 4.29 | -0.01 |
| Jul | 3.77 | 3.82 | -0.05 |
| Aug | 3.93 | 4.17 | -0.24 |
| Sep | 4.54 | 4.37 | 0.17 |
| Oct | 4.38 | 4.62 | -0.24 |
| Nov | 3.67 | 3.66 | 0.01 |
| Dec | 4.43 | 4.41 | 0.02 |
48.05 | 48.83 | -0.78 |