| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.36 | -0.08 |
| Feb | 1.97 | 2.05 | -0.08 |
| Mar | 2.40 | 2.41 | -0.01 |
| Apr | 3.65 | 3.59 | 0.06 |
| May | 4.32 | 4.13 | 0.19 |
| Jun | 4.53 | 4.54 | -0.01 |
| Jul | 4.16 | 4.33 | -0.17 |
| Aug | 4.38 | 4.27 | 0.11 |
| Sep | 3.21 | 3.26 | -0.05 |
| Oct | 3.54 | 3.59 | -0.05 |
| Nov | 2.71 | 2.80 | -0.09 |
| Dec | 2.21 | 2.26 | -0.05 |
39.36 | 39.59 | -0.23 |