| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.03 | -0.12 |
| Feb | 2.43 | 2.53 | -0.10 |
| Mar | 3.38 | 3.70 | -0.32 |
| Apr | 3.22 | 3.42 | -0.20 |
| May | 4.24 | 4.53 | -0.29 |
| Jun | 4.19 | 4.37 | -0.18 |
| Jul | 4.19 | 4.08 | 0.11 |
| Aug | 3.41 | 3.54 | -0.13 |
| Sep | 4.05 | 4.35 | -0.30 |
| Oct | 3.68 | 3.75 | -0.07 |
| Nov | 2.99 | 3.19 | -0.20 |
| Dec | 3.35 | 3.54 | -0.19 |
42.04 | 44.03 | -1.99 |