| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.41 | 2.46 | -0.05 |
| Feb | 1.89 | 1.95 | -0.06 |
| Mar | 2.38 | 2.52 | -0.14 |
| Apr | 3.08 | 3.13 | -0.05 |
| May | 3.61 | 3.82 | -0.21 |
| Jun | 4.16 | 4.19 | -0.03 |
| Jul | 4.35 | 4.52 | -0.17 |
| Aug | 4.11 | 4.09 | 0.02 |
| Sep | 3.51 | 3.40 | 0.11 |
| Oct | 3.86 | 3.90 | -0.04 |
| Nov | 2.92 | 2.97 | -0.05 |
| Dec | 2.87 | 2.95 | -0.08 |
39.15 | 39.90 | -0.75 |