| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.69 | -0.08 |
| Feb | 3.31 | 3.41 | -0.10 |
| Mar | 3.66 | 3.87 | -0.21 |
| Apr | 2.90 | 3.07 | -0.17 |
| May | 3.22 | 3.29 | -0.07 |
| Jun | 4.36 | 4.33 | 0.03 |
| Jul | 4.39 | 4.52 | -0.13 |
| Aug | 4.71 | 4.65 | 0.06 |
| Sep | 4.02 | 4.05 | -0.03 |
| Oct | 3.30 | 3.42 | -0.12 |
| Nov | 2.90 | 3.01 | -0.11 |
| Dec | 3.72 | 3.86 | -0.14 |
44.10 | 45.17 | -1.07 |