| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.41 | 0.05 |
| Feb | 2.10 | 2.04 | 0.06 |
| Mar | 2.61 | 2.65 | -0.04 |
| Apr | 3.33 | 2.98 | 0.35 |
| May | 3.23 | 3.12 | 0.11 |
| Jun | 4.02 | 3.97 | 0.05 |
| Jul | 3.83 | 3.65 | 0.18 |
| Aug | 3.46 | 3.43 | 0.03 |
| Sep | 3.12 | 2.94 | 0.18 |
| Oct | 3.44 | 3.42 | 0.02 |
| Nov | 2.98 | 2.72 | 0.26 |
| Dec | 2.92 | 2.85 | 0.07 |
37.50 | 36.18 | 1.32 |