| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.55 | -0.38 |
| Feb | 2.83 | 3.14 | -0.31 |
| Mar | 3.82 | 4.07 | -0.25 |
| Apr | 3.87 | 4.16 | -0.29 |
| May | 3.48 | 3.48 | 0.00 |
| Jun | 4.12 | 4.13 | -0.01 |
| Jul | 3.97 | 4.04 | -0.07 |
| Aug | 4.01 | 3.93 | 0.08 |
| Sep | 4.10 | 4.13 | -0.03 |
| Oct | 4.45 | 4.89 | -0.44 |
| Nov | 3.55 | 3.85 | -0.30 |
| Dec | 4.07 | 4.49 | -0.42 |
45.44 | 47.86 | -2.42 |