| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.46 | -0.06 |
| Feb | 1.94 | 2.04 | -0.10 |
| Mar | 2.35 | 2.41 | -0.06 |
| Apr | 3.63 | 3.69 | -0.06 |
| May | 4.28 | 4.32 | -0.04 |
| Jun | 4.39 | 4.25 | 0.14 |
| Jul | 3.90 | 3.76 | 0.14 |
| Aug | 4.04 | 3.92 | 0.12 |
| Sep | 2.95 | 3.00 | -0.05 |
| Oct | 2.92 | 2.94 | -0.02 |
| Nov | 2.87 | 2.98 | -0.11 |
| Dec | 2.29 | 2.32 | -0.03 |
37.96 | 38.09 | -0.13 |