| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.58 | 0.11 |
| Feb | 4.08 | 3.98 | 0.10 |
| Mar | 5.08 | 5.01 | 0.07 |
| Apr | 5.61 | 5.37 | 0.24 |
| May | 5.49 | 5.43 | 0.06 |
| Jun | 3.49 | 3.44 | 0.05 |
| Jul | 3.60 | 3.64 | -0.04 |
| Aug | 3.62 | 3.43 | 0.19 |
| Sep | 3.39 | 3.34 | 0.05 |
| Oct | 4.24 | 4.02 | 0.22 |
| Nov | 4.79 | 4.84 | -0.05 |
| Dec | 4.95 | 4.93 | 0.02 |
52.03 | 51.01 | 1.02 |