| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 4.07 | -0.26 |
| Feb | 3.78 | 4.09 | -0.31 |
| Mar | 4.80 | 4.98 | -0.18 |
| Apr | 4.71 | 5.03 | -0.32 |
| May | 5.05 | 5.43 | -0.38 |
| Jun | 4.71 | 5.50 | -0.79 |
| Jul | 4.99 | 5.32 | -0.33 |
| Aug | 3.63 | 3.66 | -0.03 |
| Sep | 3.96 | 4.09 | -0.13 |
| Oct | 3.45 | 3.60 | -0.15 |
| Nov | 3.31 | 3.61 | -0.30 |
| Dec | 4.36 | 4.72 | -0.36 |
50.56 | 54.10 | -3.54 |