| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.79 | -0.15 |
| Feb | 3.34 | 3.50 | -0.16 |
| Mar | 3.74 | 4.06 | -0.32 |
| Apr | 2.85 | 2.99 | -0.14 |
| May | 3.39 | 3.36 | 0.03 |
| Jun | 4.77 | 4.87 | -0.10 |
| Jul | 4.74 | 4.77 | -0.03 |
| Aug | 4.84 | 4.82 | 0.02 |
| Sep | 4.13 | 4.15 | -0.02 |
| Oct | 3.22 | 3.44 | -0.22 |
| Nov | 2.84 | 2.99 | -0.15 |
| Dec | 3.67 | 3.82 | -0.15 |
45.17 | 46.56 | -1.39 |