| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.33 | 5.54 | -0.21 |
| Feb | 5.22 | 5.26 | -0.04 |
| Mar | 5.34 | 5.28 | 0.06 |
| Apr | 5.20 | 5.25 | -0.05 |
| May | 4.46 | 4.64 | -0.18 |
| Jun | 4.44 | 4.70 | -0.26 |
| Jul | 5.06 | 4.70 | 0.36 |
| Aug | 3.77 | 3.84 | -0.07 |
| Sep | 3.66 | 3.99 | -0.33 |
| Oct | 3.58 | 3.56 | 0.02 |
| Nov | 4.47 | 4.54 | -0.07 |
| Dec | 5.83 | 5.77 | 0.06 |
56.36 | 57.07 | -0.71 |