| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.59 | -0.18 |
| Feb | 2.05 | 2.16 | -0.11 |
| Mar | 2.21 | 2.32 | -0.11 |
| Apr | 3.54 | 3.52 | 0.02 |
| May | 4.14 | 4.28 | -0.14 |
| Jun | 4.02 | 4.05 | -0.03 |
| Jul | 3.86 | 3.91 | -0.05 |
| Aug | 3.83 | 3.89 | -0.06 |
| Sep | 3.27 | 3.11 | 0.16 |
| Oct | 3.34 | 3.27 | 0.07 |
| Nov | 2.78 | 2.84 | -0.06 |
| Dec | 2.40 | 2.36 | 0.04 |
37.85 | 38.30 | -0.45 |