| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.89 | -0.15 |
| Feb | 4.14 | 4.27 | -0.13 |
| Mar | 4.82 | 4.95 | -0.13 |
| Apr | 4.98 | 4.99 | -0.01 |
| May | 5.28 | 5.37 | -0.09 |
| Jun | 4.75 | 4.80 | -0.05 |
| Jul | 4.39 | 4.54 | -0.15 |
| Aug | 3.58 | 3.59 | -0.01 |
| Sep | 3.75 | 3.78 | -0.03 |
| Oct | 3.97 | 4.03 | -0.06 |
| Nov | 3.74 | 3.80 | -0.06 |
| Dec | 4.61 | 4.79 | -0.18 |
51.75 | 52.80 | -1.05 |