| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.89 | 2.08 | -0.19 |
| Feb | 1.84 | 1.98 | -0.14 |
| Mar | 2.35 | 2.29 | 0.06 |
| Apr | 3.82 | 3.83 | -0.01 |
| May | 4.69 | 4.71 | -0.02 |
| Jun | 4.46 | 4.40 | 0.06 |
| Jul | 3.71 | 3.73 | -0.02 |
| Aug | 3.84 | 4.07 | -0.23 |
| Sep | 3.32 | 3.28 | 0.04 |
| Oct | 3.40 | 3.45 | -0.05 |
| Nov | 2.51 | 2.62 | -0.11 |
| Dec | 2.08 | 2.20 | -0.12 |
37.91 | 38.64 | -0.73 |