| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.11 | -0.09 |
| Feb | 2.69 | 2.82 | -0.13 |
| Mar | 3.98 | 4.05 | -0.07 |
| Apr | 3.44 | 3.49 | -0.05 |
| May | 3.94 | 4.22 | -0.28 |
| Jun | 4.22 | 4.28 | -0.06 |
| Jul | 4.47 | 4.51 | -0.04 |
| Aug | 4.34 | 4.13 | 0.21 |
| Sep | 4.44 | 4.50 | -0.06 |
| Oct | 3.99 | 4.14 | -0.15 |
| Nov | 3.14 | 3.23 | -0.09 |
| Dec | 3.69 | 3.87 | -0.18 |
45.36 | 46.35 | -0.99 |