| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.19 | -0.11 |
| Feb | 2.41 | 2.45 | -0.04 |
| Mar | 3.13 | 3.22 | -0.09 |
| Apr | 3.81 | 3.87 | -0.06 |
| May | 3.87 | 3.96 | -0.09 |
| Jun | 4.18 | 4.24 | -0.06 |
| Jul | 4.38 | 4.35 | 0.03 |
| Aug | 3.72 | 3.68 | 0.04 |
| Sep | 3.95 | 4.02 | -0.07 |
| Oct | 3.73 | 3.75 | -0.02 |
| Nov | 3.33 | 3.29 | 0.04 |
| Dec | 3.19 | 3.34 | -0.15 |
42.78 | 43.36 | -0.58 |