| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.36 | -0.33 |
| Feb | 2.43 | 2.68 | -0.25 |
| Mar | 3.02 | 3.26 | -0.24 |
| Apr | 3.22 | 3.25 | -0.03 |
| May | 3.54 | 3.47 | 0.07 |
| Jun | 4.08 | 4.13 | -0.05 |
| Jul | 3.80 | 3.71 | 0.09 |
| Aug | 3.43 | 3.45 | -0.02 |
| Sep | 3.49 | 3.40 | 0.09 |
| Oct | 4.18 | 4.24 | -0.06 |
| Nov | 3.64 | 3.77 | -0.13 |
| Dec | 3.75 | 4.12 | -0.37 |
41.61 | 42.84 | -1.23 |