| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.19 | -0.08 |
| Feb | 1.46 | 1.56 | -0.10 |
| Mar | 2.40 | 2.48 | -0.08 |
| Apr | 3.91 | 4.11 | -0.20 |
| May | 5.27 | 5.33 | -0.06 |
| Jun | 5.28 | 5.44 | -0.16 |
| Jul | 4.53 | 4.54 | -0.01 |
| Aug | 4.36 | 4.43 | -0.07 |
| Sep | 3.82 | 4.21 | -0.39 |
| Oct | 3.28 | 3.43 | -0.15 |
| Nov | 2.05 | 2.18 | -0.13 |
| Dec | 1.57 | 1.66 | -0.09 |
39.04 | 40.56 | -1.52 |