| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.18 | -0.09 |
| Feb | 2.55 | 2.58 | -0.03 |
| Mar | 3.64 | 3.72 | -0.08 |
| Apr | 3.71 | 3.63 | 0.08 |
| May | 3.83 | 4.02 | -0.19 |
| Jun | 4.12 | 4.19 | -0.07 |
| Jul | 4.36 | 4.33 | 0.03 |
| Aug | 4.07 | 4.02 | 0.05 |
| Sep | 4.44 | 4.52 | -0.08 |
| Oct | 3.87 | 3.83 | 0.04 |
| Nov | 3.17 | 3.05 | 0.12 |
| Dec | 3.43 | 3.49 | -0.06 |
44.28 | 44.56 | -0.28 |