| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.88 | -0.18 |
| Feb | 1.66 | 1.83 | -0.17 |
| Mar | 2.21 | 2.42 | -0.21 |
| Apr | 3.67 | 3.91 | -0.24 |
| May | 3.84 | 4.05 | -0.21 |
| Jun | 4.08 | 4.13 | -0.05 |
| Jul | 3.25 | 3.17 | 0.08 |
| Aug | 3.56 | 3.62 | -0.06 |
| Sep | 3.25 | 3.32 | -0.07 |
| Oct | 3.09 | 3.13 | -0.04 |
| Nov | 2.31 | 2.44 | -0.13 |
| Dec | 1.90 | 2.07 | -0.17 |
34.52 | 35.97 | -1.45 |