| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.99 | -0.39 |
| Feb | 3.05 | 3.54 | -0.49 |
| Mar | 4.12 | 4.65 | -0.53 |
| Apr | 4.24 | 4.75 | -0.51 |
| May | 3.47 | 3.87 | -0.40 |
| Jun | 4.25 | 4.34 | -0.09 |
| Jul | 3.62 | 3.78 | -0.16 |
| Aug | 3.81 | 4.23 | -0.42 |
| Sep | 4.12 | 4.59 | -0.47 |
| Oct | 4.37 | 4.81 | -0.44 |
| Nov | 3.83 | 4.05 | -0.22 |
| Dec | 4.27 | 4.88 | -0.61 |
46.75 | 51.48 | -4.73 |