| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.02 | 5.54 | 0.48 |
| Feb | 5.25 | 4.82 | 0.43 |
| Mar | 5.42 | 5.26 | 0.16 |
| Apr | 4.94 | 4.97 | -0.03 |
| May | 4.39 | 4.55 | -0.16 |
| Jun | 5.54 | 5.37 | 0.17 |
| Jul | 5.24 | 5.47 | -0.23 |
| Aug | 5.10 | 4.69 | 0.41 |
| Sep | 3.93 | 4.05 | -0.12 |
| Oct | 3.76 | 3.48 | 0.28 |
| Nov | 4.61 | 4.58 | 0.03 |
| Dec | 5.82 | 5.58 | 0.24 |
60.02 | 58.36 | 1.66 |