| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.18 | -0.07 |
| Feb | 3.02 | 2.96 | 0.06 |
| Mar | 3.91 | 3.76 | 0.15 |
| Apr | 3.85 | 3.94 | -0.09 |
| May | 4.28 | 4.33 | -0.05 |
| Jun | 4.27 | 4.36 | -0.09 |
| Jul | 4.44 | 4.49 | -0.05 |
| Aug | 3.27 | 3.33 | -0.06 |
| Sep | 3.35 | 3.28 | 0.07 |
| Oct | 3.02 | 3.02 | 0.00 |
| Nov | 2.86 | 2.86 | 0.00 |
| Dec | 3.26 | 3.35 | -0.09 |
42.64 | 42.86 | -0.22 |