| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.07 | -0.10 |
| Feb | 1.41 | 1.46 | -0.05 |
| Mar | 2.29 | 2.36 | -0.07 |
| Apr | 3.73 | 3.92 | -0.19 |
| May | 5.11 | 5.17 | -0.06 |
| Jun | 5.34 | 5.25 | 0.09 |
| Jul | 4.37 | 4.30 | 0.07 |
| Aug | 4.39 | 4.37 | 0.02 |
| Sep | 3.79 | 3.88 | -0.09 |
| Oct | 3.08 | 3.21 | -0.13 |
| Nov | 1.99 | 2.03 | -0.04 |
| Dec | 1.55 | 1.61 | -0.06 |
38.02 | 38.63 | -0.61 |