| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.47 | 2.54 | -0.07 |
| Feb | 1.97 | 2.03 | -0.06 |
| Mar | 2.36 | 2.30 | 0.06 |
| Apr | 3.68 | 3.71 | -0.03 |
| May | 3.84 | 3.98 | -0.14 |
| Jun | 3.64 | 3.62 | 0.02 |
| Jul | 3.27 | 3.25 | 0.02 |
| Aug | 3.45 | 3.47 | -0.02 |
| Sep | 3.14 | 3.11 | 0.03 |
| Oct | 3.80 | 3.68 | 0.12 |
| Nov | 2.98 | 3.01 | -0.03 |
| Dec | 2.41 | 2.47 | -0.06 |
37.01 | 37.17 | -0.16 |