| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.91 | -0.17 |
| Feb | 2.20 | 2.23 | -0.03 |
| Mar | 2.79 | 2.89 | -0.10 |
| Apr | 3.74 | 3.89 | -0.15 |
| May | 3.92 | 4.25 | -0.33 |
| Jun | 4.35 | 4.38 | -0.03 |
| Jul | 3.75 | 3.97 | -0.22 |
| Aug | 3.31 | 3.44 | -0.13 |
| Sep | 3.32 | 3.36 | -0.04 |
| Oct | 3.09 | 3.10 | -0.01 |
| Nov | 2.87 | 2.84 | 0.03 |
| Dec | 2.67 | 3.00 | -0.33 |
38.75 | 40.26 | -1.51 |