| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.67 | -0.01 |
| Feb | 3.23 | 3.13 | 0.10 |
| Mar | 3.88 | 3.79 | 0.09 |
| Apr | 3.57 | 3.49 | 0.08 |
| May | 4.14 | 3.99 | 0.15 |
| Jun | 4.94 | 5.08 | -0.14 |
| Jul | 5.97 | 5.72 | 0.25 |
| Aug | 6.31 | 5.94 | 0.37 |
| Sep | 6.54 | 6.39 | 0.15 |
| Oct | 3.44 | 3.62 | -0.18 |
| Nov | 3.36 | 3.39 | -0.03 |
| Dec | 3.43 | 3.39 | 0.04 |
52.47 | 51.60 | 0.87 |