| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.32 | -0.03 |
| Feb | 2.79 | 2.74 | 0.05 |
| Mar | 3.91 | 4.03 | -0.12 |
| Apr | 3.38 | 3.41 | -0.03 |
| May | 3.74 | 3.89 | -0.15 |
| Jun | 4.59 | 4.34 | 0.25 |
| Jul | 4.72 | 4.98 | -0.26 |
| Aug | 4.75 | 4.82 | -0.07 |
| Sep | 4.32 | 4.81 | -0.49 |
| Oct | 3.97 | 4.15 | -0.18 |
| Nov | 3.12 | 3.05 | 0.07 |
| Dec | 3.60 | 3.65 | -0.05 |
46.18 | 47.19 | -1.01 |