| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.59 | -0.08 |
| Feb | 2.00 | 2.11 | -0.11 |
| Mar | 2.30 | 2.40 | -0.10 |
| Apr | 3.54 | 3.69 | -0.15 |
| May | 4.24 | 4.24 | 0.00 |
| Jun | 3.82 | 3.99 | -0.17 |
| Jul | 3.52 | 3.38 | 0.14 |
| Aug | 3.65 | 3.59 | 0.06 |
| Sep | 3.22 | 3.18 | 0.04 |
| Oct | 3.77 | 3.85 | -0.08 |
| Nov | 2.81 | 2.88 | -0.07 |
| Dec | 2.35 | 2.44 | -0.09 |
37.73 | 38.34 | -0.61 |