| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.72 | -0.06 |
| Feb | 2.24 | 2.37 | -0.13 |
| Mar | 3.03 | 3.11 | -0.08 |
| Apr | 4.28 | 4.47 | -0.19 |
| May | 4.61 | 4.67 | -0.06 |
| Jun | 4.84 | 4.92 | -0.08 |
| Jul | 4.37 | 4.34 | 0.03 |
| Aug | 3.49 | 3.36 | 0.13 |
| Sep | 3.10 | 3.14 | -0.04 |
| Oct | 3.30 | 3.33 | -0.03 |
| Nov | 3.34 | 3.54 | -0.20 |
| Dec | 2.77 | 2.84 | -0.07 |
42.03 | 42.81 | -0.78 |