| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.36 | -0.34 |
| Feb | 2.72 | 2.96 | -0.24 |
| Mar | 3.96 | 4.22 | -0.26 |
| Apr | 3.40 | 3.59 | -0.19 |
| May | 3.40 | 3.85 | -0.45 |
| Jun | 4.23 | 4.32 | -0.09 |
| Jul | 4.43 | 4.36 | 0.07 |
| Aug | 4.37 | 4.59 | -0.22 |
| Sep | 4.06 | 4.27 | -0.21 |
| Oct | 3.74 | 3.96 | -0.22 |
| Nov | 3.13 | 3.23 | -0.10 |
| Dec | 3.79 | 4.00 | -0.21 |
44.25 | 46.71 | -2.46 |