| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 3.04 | -0.34 |
| Feb | 2.16 | 2.54 | -0.38 |
| Mar | 2.86 | 3.16 | -0.30 |
| Apr | 3.14 | 3.43 | -0.29 |
| May | 3.51 | 3.74 | -0.23 |
| Jun | 4.22 | 4.42 | -0.20 |
| Jul | 4.02 | 4.49 | -0.47 |
| Aug | 3.83 | 4.17 | -0.34 |
| Sep | 3.26 | 3.69 | -0.43 |
| Oct | 3.95 | 4.28 | -0.33 |
| Nov | 2.90 | 3.31 | -0.41 |
| Dec | 3.17 | 3.79 | -0.62 |
39.72 | 44.06 | -4.34 |